How to make messages received when offline appear on app

Hi @Gozlan, Moshe

Thank you for posting your question in the Microsoft Q&A forum.

Based on your description, it's likely that you're experiencing an issue where messages sent while offline aren't syncing properly to your app, resulting in missing content

While Microsoft article about Sync Microsoft Teams - Microsoft Support notes that mobile apps automatically sync every time they’re opened or used, the desktop app may not refresh as frequently, especially during long sessions. Based on user reports and general observations, this can sometimes lead to delays or missed messages unless the app is restarted or manually refreshed. 

Here are some suggestions may be helpful to you:

1. Internet Connection 
   • A stable internet connection is essential. Please ensure your PC is connected to a reliable network, as poor connectivity can delay or prevent message syncing. 
2. Long Session on Teams Desktop 
   • If the Teams desktop app has been running for an extended period, it may encounter glitches. Try the following: 
   • Manually restart Teams by right-clicking the icon in your dock (Mac) or taskbar (Windows) and selecting Quit. After you quit, just click the app icon to open it again. 
   • Sign out and sign back in 
   • Clear the Teams cache using this official guide: Clear the Teams client cache - Microsoft Teams | Microsoft Learn 
3. Outdated Teams Version 
   • Check if there’s a newer version of Teams available. Updates often include bug fixes that can resolve this issue. 
4. uninstall and reinstall Teams app

I hope it helps, if you have any other questions, please feel free to reach out.

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