If you are having issues with the MS Teams desktop application, you can try clearing the cache on your device. This may help solve some issues you may be experiencing. Below are steps to take to clear your cache on your Windows, or Mac device.
Windows Teams Cache
To clear your Microsoft Teams cache, you will need to delete files from within the Teams app data folder. First, search %appdata%\Microsoft\teams in the windows search bar. Once in the directory, you will need to delete all the files within the following folders:
Application Cache
Blob_storage
Cache
Databases
GPUCache
IndexedDB
Local Storage
tmp
Once this step is complete, restart your computer and your Microsoft Teams chat cache will have cleared successfully.
Mac
1. Quit Microsoft Teams.
2. Delete files in following folders.
“~/Library/Application Support/Microsoft/Teams/Application Cache/Cache”
“~/Library/Application Support/Microsoft/Teams/blob_storage”
“~/Library/Application Support/Microsoft/Teams/Cache”
“~/Library/Application Support/Microsoft/Teams/databases”
“~/Library/Application Support/Microsoft/Teams/GPUCache”
“~/Library/Application Support/Microsoft/Teams/IndexedDB”
“~/Library/Application Support/Microsoft/Teams/Local Storage”
“~/Library/Application Support/Microsoft/Teams/tmp”
3. Restart Microsoft Teams.