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+# Session Log: 2026-04-27
+**Type:** General / Mixed
+
+---
+
+## User
+- **User:** Mike Swanson (mike)
+- **Machine:** DESKTOP-0O8A1RL
+- **Role:** admin
+
+---
+
+## Session Summary
+
+Session consisted of a single general knowledge question about SharePoint version history. No code changes, no infrastructure work, no credentials involved.
+
+---
+
+## Q&A Reference: SharePoint Version History
+
+**Question:** Does SharePoint support version history? If a file is updated, can previous versions be seen?
+
+**Answer:**
+- Yes — SharePoint has built-in version history on document libraries
+- Access via: right-click file → **Version History** (or three-dot menu → Version History)
+- Shows list of versions with timestamp, modified-by, and optional comment
+- Can open any version read-only, restore it to current, or delete it
+- **Major versions** (1.0, 2.0): used for simple libraries or published content
+- **Major + Minor versions** (1.0, 1.1, 1.2): draft/publish workflow; minor = draft, major = published
+- Default limit: 500 major versions; older versions pruned automatically when limit reached
+- Versioning must be enabled on the library (on by default for modern SharePoint/OneDrive)
+- Admin control: Library Settings → Versioning Settings
+
+---
+
+## Pending Tasks
+
+None from this session. See `projects/radio-show/session-logs/2026-04-27-qa-extraction-cohost-indexing.md` for the main work done today (radio show archive pipeline, co-host voice profile, archive.db indexing).