Using One H1 in Microsoft Learn Markdown records a distinct Microsoft Learn authoring convention and keeps it scoped to that documentation environment rather than presenting it as a universal writing rule.
ReviewedEvidence1 sourceSectionWriting & Style
Quick answer
Use one and only one H1 in each Microsoft Learn Markdown file, and place it as the first content after the YAML metadata block.
Key details
Core Issuesingle H1 heading
RegisterMicrosoft Learn technical documentation
Important caveats
Scope Boundary
This is a Microsoft Learn source-file convention; other publishing systems may impose different heading rules.
Further guidance
Content
Use one and only one H1 in each Microsoft Learn Markdown file, and place it as the first content after the YAML metadata block.
Purpose
Keep Microsoft Learn source readable, accessible, reusable, and predictable while following current contributor-platform conventions.
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.
Markdown reference for Microsoft Learn — Contributor guide↗ (opens in a new tab)Microsoft · Current Microsoft Learn contributor reference for Markdown authoring, including headings/navigation, conceptual images and icons, includes, lists/checklists, nonlocalized strings, alerts, comments, tables, and other Learn extensions.
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