Formatting Ports in Technical Documentation records a distinct Microsoft Style Guide authoring convention and keeps it explicitly scoped to technical documentation rather than presenting it as a universal grammar rule.
ReviewedEvidence1 sourceSectionWriting & Style
Quick answer
Use all-uppercase presentation for port names in Microsoft-style developer documentation.
Key details
Core IssueUse all-uppercase presentation for port names in Microsoft-style developer documentation.
RegisterMicrosoft technical and professional documentation
Important caveats
Scope Boundary
This is a house-style convention for port names such as LPT1; it does not govern network port numbers or ordinary uses of the word “port.”
Further guidance
Content
Use all-uppercase presentation for port names in Microsoft-style developer documentation.
Purpose
Help readers distinguish the literal technical element from surrounding explanatory prose.
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.
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