Teams update wipes chat history and contact list
After the latest Teams update, a user's entire chat history and contact list disappeared, with only fragments visible in search that can't be opened.
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Similar Problems
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Following a product update, a user reports losing all chat history with no way to view it in the recent conversations list. Data loss tied to an update erodes trust in the platform's reliability for ongoing conversations.
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Following a July 2026 update, a Microsoft Teams user reports being unable to search for or open older chat conversations within the app, a regression from prior functionality.
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A user reports that after a recent Microsoft Teams update, almost all of their contacts and chat conversations disappeared, leaving only 3-4 remaining, with no explanation or recovery path given. This corroborates other reports of Teams update-triggered data loss.
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A user reports that the Teams mobile app intermittently hides all chats and makes them unsearchable, forcing a switch to a desktop computer to access conversations. The issue appeared suddenly after the app previously worked fine.
Problem descriptions, scores, analysis, and solution blueprints may be updated as new community data becomes available.