The Best Technical Writer Style Guides I’m Using for Inspiration in 2026

The first time I helped build a style guide, it was because our docs were technically correct but emotionally exhausting to read. Every writer had a different “voice,” we capitalized the same UI labels three different ways, and we argued about acronyms like it was a sport.

Once we standardized the basics, review cycles sped up and our docs started sounding like one team wrote them. That’s why I treat style guides as a documentation system problem, not an “English class” problem.

If you want the broader foundation first, I’d start with what technical writing is and then skim what a technical writer does. Those two guides make it easier to understand why style rules matter in the real world.

I’m going to cover the core sections I include (or look for) in any serious style guide, then I’ll share style guide examples I steal from when I’m setting standards for a new doc set.

1. What a Technical Writer Style Guide Is

A style guide is a practical agreement between writers, editors, and reviewers about what “good” looks like. It reduces decision fatigue, speeds up editing, and prevents your docs from turning into a patchwork of competing writing styles.

My Working Definition

A technical writing style guide documents the rules for voice, grammar, formatting, terminology, and structure so your content stays consistent across people and time. If your documentation lives in multiple places (docs site, help center, in-product UI), your style guide keeps everything aligned.

What a Style Guide is Not

A style guide is not a replacement for product knowledge, user research, or good information architecture. It won’t fix missing content, inaccurate content, or the wrong content type for the reader.

If you want a practical way to match doc format to reader intent, the types of technical writing is a helpful mental model.

The Fastest Way to Start

When you’re starting from zero, don’t boil the ocean. Start with a one-page “minimum viable style guide” and expand it as you hit real problems.

• Decide voice (who you are, who you are talking to).
• Decide terminology standards (what words mean what).
• Decide formatting standards (headings, code, UI labels, links).
• Decide review ownership (who approves changes).

2. Consistency and Standardization

Consistency is the part of writing that feels boring until you have to maintain 500 pages of docs. Then it becomes the thing that keeps your team sane.

Standardize Terminology With a Word List

A word list is where you define product terms, preferred spellings, capitalization rules, and “do not use” alternatives. This is also where you document expanded definitions for terms that can confuse new readers.

I also include a short “special cases” section for tricky terms like brand names, feature names, and legacy product wording that customers still search for.

Set Formatting Standards For Common Elements

Formatting is where teams accidentally create chaos, especially in Markdown-heavy docs. I standardize how we write UI and APIs, how we present code, and how we format warnings, notes, and examples.

If your team is scaling documentation across tools and formats, it helps to understand single source authoring. Even if you never adopt a full single-source workflow, the mindset improves consistency.

Link and Image Conventions

Your style guide should define how you write link text and how you reference images so readers know what to expect. I prefer descriptive link text that tells the reader what they’ll get, not “click here.”

If you’re building a documentation system that’s meant to be searchable and skimmable, how I write software documentation pairs well with style rules like this.

3. Titles and Headings

Headings are usability features. They’re not decoration, and they’re not a place to be clever.

Choose a Capitalization Rule and Stick To it

Pick sentence-style capitalization or title-style capitalization, then enforce it consistently. Sentence-style usually wins for technical docs because it’s calmer, easier to scan, and plays nicer with localization and machine translators.

Make Heading Hierarchy Obvious

Your style guide should define heading levels and what belongs at each level. If your docs regularly jump from H2 to H4 or skip levels, readers feel it as confusion even if they can’t name the problem.

If you want to see what strong structure looks like in the wild, I keep a running list in technical writing examples.

Headings Should Communicate Outcomes

I like headings that tell the reader what they’ll learn or do. “Configure authentication” is better than “Authentication,” because it signals intent and sets expectations.

4. Voice, Person, and Mood

Voice rules are where a style guide becomes brand-defining. They’re also where teams waste a lot of time unless the guide is explicit.

Default to Second Person and The Imperative Mood

Most product documentation is more usable when it’s direct. “Click Save” and “Select the file” keeps steps clear and reduces sentence clutter.

There are exceptions, like conceptual docs or technical reports, but your default should be easy to follow.

Prefer Active Voice, With a Few Practical Exceptions

Active voice usually reads cleaner and makes responsibility obvious. Passive voice can be fine when the actor is unknown, irrelevant, or intentionally de-emphasized.

The style guide should include a couple examples so reviewers aren’t arguing from vibes.

Inclusive Language is Not Optional Anymore

A modern style guide should spell out inclusive language rules and give concrete replacements. This includes gender-neutral pronouns, avoiding loaded metaphors, and removing biased defaults.

It’s also where you define accessibility expectations so your docs work for more users, including people using screen readers.

5. Sentence Structure and Clarity

Clarity is the highest ROI writing skill in technical documentation. It improves comprehension, reduces support load, and makes translation easier.

Put Important Information First

Lead with the outcome, the constraint, or the warning before you drop background context. If a step can break something, say that early.

This is also where I define a max sentence length, because long sentences hide errors.

Keep Procedures Predictable

In procedural docs, I standardize transitions and sequence words so steps feel consistent. I also require an introductory sentence before a long procedure so the reader knows what they’re about to do and why.

If your team struggles with “docs that look right but don’t help anyone,” you might also like how I test documentation usability.

Avoid Verbosity Disguised as Expertise

Complex sentence structures and elaborate prose rarely help technical readers. If the audience needs advanced detail, you can still write simply and precisely.

The style guide should give permission to choose simple words over impressive words.

6. Punctuation and Capitalization

Punctuation rules prevent a lot of low-value editing arguments. They also keep your docs from looking sloppy when multiple people contribute.

Capitalization Rules for Product and UI Terms

Define rules for proper nouns, product names, service names, and UI labels. “Sign in” vs “Sign In” vs “Sign-In” becomes a recurring fight if you don’t settle it in the guide.

Define How You Use Punctuation in Lists and Headings

Decide whether list items end with periods. Decide how you handle colon capitalization. Decide how you handle parentheses, commas, and hyphens.

If your docs are Markdown-heavy, the guide should also define how you represent UI and APIs consistently inside Markdown.

Numbers and Units, Including Binary and Decimal

This is where I define how we write units and when we use binary/decimal units like KiB vs KB. I also standardize spacing, symbols, and how we write ranges so the docs look consistent.

7. Abbreviations, Acronyms, and Contractions

This is one of the fastest ways to accidentally confuse readers, especially in API documentation. If you don’t set rules, acronyms multiply and comprehension drops.

Expand Acronyms on First Use

My default rule is simple: expand definitions the first time, then use the acronym after. If an acronym is ambiguous (like CT), I assume the reader does not know it and define it.

If your docs are layered, you can also define what counts as “first use” per page, per section, or per doc set.

Handle Commonly Known Abbreviations Intentionally

Some abbreviations are safe without expansion, but “safe” depends on the audience and industry. A style guide should list commonly known abbreviations for your audience so writers don’t guess.

Decide Your Contractions Policy

Some teams allow contractions to sound more conversational. Some teams ban them for a more formal tone or easier translation.

The key is not which choice you make, it’s that you make a choice and enforce it consistently.

Placeholder Styling and Special Cases

Define how you style placeholders like <username>, {token}, or YOUR_API_KEY_HERE. This is also where you document special cases for code, CLI output, and UI text that must match exactly.

8. Avoiding Slang, Jargon, and Idioms

If you write for international audiences, slang and idioms are landmines. Even for local audiences, they often introduce ambiguity.

Write for Global Comprehension

Idioms like “hit the ground running” or “keep your eyes peeled” don’t translate well and can confuse readers. Your style guide should explicitly discourage them and offer plain-language alternatives.

Use Jargon Only When it Earns its Keep

Some jargon is necessary, especially in engineering contexts. I prefer a tiered approach: allow domain terms, define them early, and avoid redundant jargon that makes sentences heavier without adding precision.

This is also where I discourage forward slash constructions like “and/or” unless the meaning truly requires it.

9. Language and Regional Preferences

Regional differences sound small until you’re maintaining docs across teams and markets. The style guide should remove uncertainty.

Pick US English or UK English

Choose one and document it explicitly, including spelling and punctuation differences. If you publish in multiple locales, define what gets localized and what stays in the source language.

Plan for Localization and Machine Translation

If your content will be translated, your style guide should include a section on writing for machine comprehension. This includes short sentences, consistent terminology, and avoiding culturally specific references.

Accessibility and Readability Rules

This is where you define readability expectations and accessibility standards. It can be as simple as “write scannable content with clear headings,” or as detailed as “support keyboard navigation references and screen reader friendly labels.”

10. Examples of Technical Writing Style Guides

Technical writers aim to generate high-quality, engaging content and technical writing style guides empower them to do so. This is why we have curated a list of 10 prominent technical writer style guide examples below.

1. Google Developer Documentation Style Guide

The Google style guide contains editorial guidelines for writing Google-related technical documentation. These guidelines are curated based on ease of understanding, accessibility, localization, and globalization.

Google developer documentation style guide has the following major sections:

General principles

Highlights principles such as writing friendly, respectful, and conversational documentation for a global audience to promote inclusivity without making unsupported claims or disclosing upcoming features, avoiding third-party sources, and using jargon meticulously.

Language and grammar rules

This section includes guidelines for the use of capitalization, language articles, prepositions, active voice, abbreviations, tenses, pronouns, and more.

Punctuation

Includes editorial style guide for using commas, hyphens, colons, parentheses, periods, etc.

Formatting and organization

Lists down rules for adding phone numbers, dates, figures, footnotes, units of measurement, spaces, and more.

Linking

Highlights how external sources can be added to the technical documentation. This includes guidelines for cross-references, URLs to images, link text, and headings as links.

Computer interfaces

This section includes rules for adding API reference code, code samples, code in text, command-line syntax, and UI element reference in the technical documentation.

HTML and CSS

Includes HTML and CSS formatting guidelines, along with fonts and font size conventions.

Names and naming

Contains guidelines for adding personally identifiable information such as domain names, email addresses, etc. It also includes rules for writing filenames and trademark terms.

Additionally, Google recommends two external style guides to improve the understanding of technical writers related to technical documentation editorial style. These include the Red Hat supplementary style guide for product documentation and the Apple style guide (which we will discuss next).

2. Apple Style Guide

Apple style guide enables technical writers to organize and format the following Apple-related materials:

• Instructional material
• Technical documentation
• Reference information
• Training programs
• User interfaces

The Apple style guide contains editorial guidelines related to Apple terminology and writing style to help developers, writers, and editors maintain a consistent tone in Apple materials. The style guide has the following major sections:

Style and usage

This section contains the usage format for specific numbers and key terms used at Apple.

Writing inclusively

Like Google, Apple guide also encourages writers to promote diversity and inclusivity in their content. For instance, avoiding any oppressive and violent words, idioms, and stereotypes, avoiding the use of colors to portray positive and negative attributes, using diverse sets of names and locations that cover all ethnicities and backgrounds, and using gender-neutral pronouns, etc.

Units of measure

Includes rules and examples for writing units, symbols, prefixes, and abbreviations.

Technical notation

Includes style and usage guidelines for code and syntax, particularly for developer documentation.

International style

This section contains general guidelines for writing country names, country codes, currency codes, language codes, dates and times, telephone numbers, and more.

The Apple style guide offers comprehensive guidelines for writing technical documentation for any product. It can be adopted and optimized by technical writers within their organizations.

3. Microsoft Writing Style Guide

Microsoft writing style guide is one of the few comprehensive technical writing guides that offer guidelines for all types of technical writing, including documentation, apps, websites, or whitepapers for Microsoft and non-Microsoft materials. This guide highlights Microsoft’s customer-centric conversational tone, which is crisp and clear, warm and relaxed, and aimed at offering help to customers.

The Microsoft writing style guide includes many sections. Like the previous two style guides, it also stresses the importance of accessibility, diversity, and inclusiveness. For instance, instead of using a word like “mankind,” use “humanity” or “people.” Similarly, use the word “workforce” instead of “manpower.” The guide calls it bias-free communication.

An interesting section of this guide includes guidelines about writing content for chatbots and virtual agents. Bots have become an essential part of the customer service and customer success pipeline. Due to their frequent interaction with humans, Microsoft offers many recommendations to conform virtual agents and chatbots to human-like communication standards.

Microsoft style guide goes into much greater detail for writing technical content. The guidelines include comprehensive sections on content planning and design planning. It also contains sections related to grammar, punctuation, text formatting, word choice, acronyms, capitalization, and responsive and scannable text.

4. IBM Style Guide

IBM press released a 300+ page IBM style guide for writers and editors back in 2011. It contains ten major sections, including grammar, punctuation, formatting, structure, references, numbers, interfaces, glossaries, indexes, and diversity. However, the IBM style guide is not freely available, but a 44-page sample is available here.

Meant for IBMers in particular and developers in general, IBM offers two online style guides as well, i.e., IBM Design Language and IBM Developer Experience Guide.

IBM Design Language offers principles and guidelines to craft unique designs and rich experiences. It includes guidelines, examples, and tutorials for many design and visual components, including:

• Typography
• Color
• Grid
• IBM logos and iconography
• Illustration
• Photography
• Data visualization
• Layouts
• Infographics
• Animations

IBM Developer Experience Guide portrays the practical design philosophy of IBM. It contains guidelines and themes for building an IBM Developer brand. It includes two major sections: Brand and Implementation.

The brand section contains guidelines for creating, designing, and selecting logos, typography, color schemes, pictograms, and illustrations, while the implementation section discusses how design is applied to digital channels, events, and merchandise.

5. DigitalOcean Technical Writing Guidelines

DigitalOcean offers a single-page technical writing guideline document divided into three main sections:

1. Style
2. Structure
3. Formatting and Terminology.

This guide mainly focuses on writing technical articles, including procedural tutorials, conceptual articles, and task or solution-specific articles. It presents an outline structure for these articles and details what each section would include and look like.

The DigitalOcean technical writing guidelines include various formats and examples for adding code snippets to the technical content. DigitalOcean stresses that technical information should be written for all experience levels. It should be practical, friendly, and technically accurate.

Additionally, the guide dives deep into the nitty-gritty of technical content writing for DigitalOcean. Writers who want to publish their content on DigitalOcean must adhere to these guidelines. It talks about standardized terminologies, IP addresses, URLs, and DigitalOcean-specific information. Writers must also follow the technical best practices guide to develop high-quality, consistent content.

6. Mailchimp Content Style Guide

Mailchimp content style guide is a goldmine of style and formatting guidelines for technical writers. The Mailchimp guide is available for anyone to use and adapt according to their requirements, subject to Mailchimp attribution.

Mailchimp promotes content that is empowering, respectful, truthful, and educational. The style guide contains the following major sections:

Grammar and mechanics

This section provides specific guidelines for the use of abbreviations, acronyms, active voice, capitalization, emojis, numbers, dates, decimals, percentages, currency, telephone numbers, and more.

Write educational content

At Mailchimp, there are various types of educational content, including help center articles, video tutorials, webinars, Instagram reels, API documentation, release notes, and training materials. Mailchimp offers general guidelines for such educational content like staying relevant to the topic, keeping the headlines short, providing context, and proper formatting. Non-Mailchimp users can adapt these guidelines to their educational resources.

Write legal content

Legal content requires accuracy, clarity, and succinctness. Legal documents generally include copyright policy, API use policy, acceptance use policy, terms of use, and the very important privacy policy. Mailchimp content style guide addresses all formatting issues related to legal content.

Write email newsletters

Email newsletters have become an effective form of marketing. Companies send newsletters for product or feature announcements, alerts, invitations, and industry tips. Mailchimp offers guidelines for writing an effective email newsletter by addressing each component, including name, subject line, preheader text, body, call to action, and footer.

Write for social media

Mailchimp provides style guidelines for publishing content on social media channels like Facebook, Instagram, Twitter, and LinkedIn.

Accessibility

Like all major style guides, Mailchimp promotes diversity in technical writing. Writers are given specific guidelines to consider readers of all mental and physical capacities. Guidelines include writing direct and scannable content, using headers and hierarchy, using alt text and closed captions, and more.

Copyright and trademarks

Copyright applies to every type of content. This section highlights the correct usage of copyrighted or trademarked content.

Moreover, Mailchimp promotes an informal, straightforward, and positive tone with a dry sense of subtle and appropriate humor rather than being forced or snobbish.

7. Atlassian Design System

The Atlassian design system is another online comprehensive guide covering different aspects of the Atlassian brand, foundations, components, patterns, and content. The content section contains specific guidelines for writing Atlassian content. It is divided into six categories:

Inclusive language

Atlassian strongly advocates for words free from discrimination, prejudice, or stereotype. They have identified eight categories and explained each with examples, where words should be used cautiously. These include culture and religion, race and ethnicity, ableism, vulgar language, sexism, sexual orientation and gender identity, ageism, and socio-economic status.

Language and grammar

This section covers all formatting guidelines for all writing components, including abbreviations, active voice, capitalization, dashes, numbers, dates, etc.

Vocabulary

This section clarifies how certain words and terminologies are used at Atlassian.

Voice and tone principles

Atlassian intends to use its voice and tone to inform, empower, encourage, motivate, satisfy, and delight readers to build trust, inspire action, and deliver pleasing experiences. Each of these language emotions and moods is accompanied by examples.

Writing guidelines

This section contains best practices for writing product messages, such as error messages, success messages, info and warning messages, and feature discovery.

Writing style

Atlassian wants its technical information to be bold, optimistic, and practical.

The remaining sections of this design system are also worth looking at. Although the design system is intended for Atlassian products, it can be adapted externally.

8. Shopify Polaris

Polaris is Shopify’s design system built to develop great user experiences. Just like the Atlassian design system, it contains guides for content, design, components, and patterns. Let’s discuss the major sections of content guidelines in detail.

Voice and tone

This section lists the guidelines to maintain Shopify’s voice and tone across technical content. The tone must be real, proactive, and dynamic. It should guide and teach the Shopify merchants to help them succeed. The guide shares numerous examples of how the tone can be adapted according to the situation.

Accessible and inclusive language

Creating inclusive content is a core aspect of the Shopify Polaris style guide. They have shared numerous examples of how certain words should be used. For instance, instead of using the word “handicap,” use “disability.” Similarly, using “wild” or “outrageous” instead of using “insane” or “crazy.” The guide also disallows the use of racist or gender-biased language.

Grammar and mechanics

Like previous style guides, this section discusses guidelines for various writing components such as capitalization, punctuation, addresses, dates, headings, spellings, etc.

Naming

This section shares guidelines for naming various products offered by Shopify. Names should be thoughtful, descriptive, or evocative. The guide share numerous examples for each category.

Actionable language

This section encourages writers to design actionable content that allows merchants to get things done. For instance, it talks about how buttons and headings should be named that encourage action. It also differentiates the use of different words and their impact, e.g., select vs. choose or edit vs. manage.

Product content

By following product content guidelines and tips, Shopify merchants can build a rich user experience. These tips include using plain language, writing short sentences, avoiding idioms, encouraging action using call-to-action buttons, and being consistent in language.

Help documentation

Help documentation educate and empower merchants about various components of an app or integration. This section highlights many guidelines and relevant examples for writing effective help documentation.

Merchant-to-customer content

Merchant-to-customer content is available on checkout pages, shipping update emails, digital receipts, POS screens, etc. It represents the merchants’ voice and tone towards their customers. Polaris provides various guidelines and examples to represent such content.

9. Salesforce Style Guide for Documentation and User Interface Text

This guide is mainly targeted toward customer-facing documentation and user interface text. The manual has two major sections: Style A-Z and Glossary.

The Style A-Z section includes all style guide components in alphabetical order. Most subsections are accompanied by examples. However, the format and structure of the guide take some getting used to. Once the writers are familiar with the style guide, they can write professional, high-quality, and consistent text using it.

The glossary section defines all the terminologies used across Salesforce documentation and user interface in alphabetical order.

Like the Atlassian design system and Shopify Polaris, Salesforce offers Lightning Design System to allow developers and designers to create consistent user interfaces. This system enables designers to build interfaces based on four core principles: clarity, efficiency, consistency, and beauty. Some major components include platforms, accessibility, component blueprints, design tokens, icons, and utilities.

10. SUSE Documentation Style Guide

SUSE is another significant mention in this list because it is an open-source style guide that can be adapted to your requirements. It provides guidelines and best practices for writing SUSE documentation.

The SUSE documentation style guide includes many important sections: language, structure, formatting XML, working with AsciiDoc, documentation content, etc. It is a single-page HTML document, so all guidelines are available in one place. It offers many examples and conventions for writing technical documentation. Thanks to community contributors, open-source style guides improve over time.

Now that we have discussed some technical writing style guide examples, let’s briefly talk about the various technical documents that can be written using these style guides.

11. Keeping Your Style Guide Useful Over Time

A style guide only works if the team actually uses it. That means it has to be discoverable, easy to update, and tied into your workflow.

Treat it Like a Living Document

The best style guides evolve. When you run into a repeated argument or a repeated mistake, add a rule, add an example, and move on.

If you’re tracking quality and process improvements, you can also connect style guide adoption to outcomes like fewer review cycles or fewer support questions. I talk about measurement approaches in technical writing metrics.

Use Source Control and Lightweight Governance

If your docs live in Git, keep the style guide in the same repo or a nearby “docs ops” repo. Create a simple change process so writers know how to propose updates and who approves them.

Support Modern Workflows, Including AI Translation

Many teams now use AI translation support, grammar assistants, and readability tools. A modern style guide should explain how to use these tools without letting them overwrite product terminology, voice, or technical precision.

If you want to build the skills that make these systems easier to run, technical writing skills is a good complement.

Conclusion

A technical writer style guide is the documentation system behind your documentation. It standardizes decisions so writers can focus on accuracy, structure, and helping the reader succeed.

If you take nothing else from this guide, steal this: define terminology, define voice, standardize formatting, and keep the guide alive through small updates. That combination removes friction fast.

FAQs

Style guides always raise the same practical questions, especially when teams are scaling or introducing new tools.

What should a technical writer style guide include?

It should include rules for voice and tone, terminology, headings, formatting, punctuation, abbreviations, and clarity standards. The best guides also include examples and a word list so writers and reviewers don’t have to guess.

How detailed should a style guide be?

Start small and expand based on real problems. A short guide that gets used beats a giant guide nobody reads.

Should a style guide be different for API documentation?

Yes, API documentation usually needs stricter rules for code formatting, placeholders, parameter naming, and terminology consistency. You also want clearer rules for abbreviations and acronyms because developer audiences vary a lot by experience level.

How do I enforce a style guide without becoming the “grammar police”?

Tie it to outcomes and workflow, not personal preference. Use templates, review checklists, and automated checks where possible so enforcement feels like a system, not a person.

How does AI translation affect style guide decisions?

AI translation increases the value of consistent terminology, short sentences, and avoiding idioms. If you plan to translate, write in a way that is easy for both humans and machines to interpret.

How often should we update our style guide?

Update it whenever you see repeated confusion, repeated review comments, or repeated mistakes. Treat it like a living document that grows with the product, the audience, and the team.