Expired50% confidenceFactExact time
Common causes of ChatGPT chat history disappearing include abnormal login state, corrupted local cache, bugs introduced by version updates, and temporary OpenAI server-side failures.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/13/2026
First Seen
Valid until: 10/11/2026(expired)
Sources
ChatGPT桌面版聊天记录丢失？原因排查与数据保护指南
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