Writing & StyleStyle guide
Sentence Case for Headings in Technical Documentation
Sentence Case for Headings in Technical Documentation records Microsoft’s sentence-style heading convention and its proper-noun exception.
In Microsoft-style technical documentation, use sentence case for most headings: capitalize the first word and proper nouns, and lowercase the rest unless another rule applies.
Key details
Core IssueMicrosoft style uses sentence-style capitalization for most titles and headings: capitalize the first word and proper nouns, with defined exceptions.
Registertechnical and professional documentation
Important caveats
Scope Boundary
This is a Microsoft house-style rule; other style systems may require title case.
Further guidance
Content
Use sentence-style capitalization for most headings under Microsoft style.
Purpose
Keep heading capitalization predictable and readable across documentation.
Sources and evidence
Sources are shown with the role they play in this guide. Historical or style-sensitive claims are kept within the evidence boundary described above.
- Capitalization — Microsoft Style Guide (opens in a new tab)Microsoft · Microsoft technical-style guidance for sentence-style headings, acronym expansion capitalization and capitalization after colons