Analytics and activity reports that help educators track student engagement and performance
Open the Settings app on your device and tap on General.
Tap either iPhone storage or iPad storage as applicable
Once it loads the apps on your device, locate and tap on the Teams app.
Select whether you want to offload or delete the app.
For your reference: https://www.airgram.io/blog/clear-teams-cache#:....
Disclaimer: The link above is a non-Microsoft website. The page appears to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the site before you decide to download and install it.
Please let me know if this doesn't work or if you need further assistance.
Thank you.