Summary
This article describes how to purge the Teams cache in both the Windows and Mac operating systems. Sometimes you need to purge the contents of your cache to increase the speed of the application allowing the application to function properly.
Content
Purging the contents of an applications cache can increase the speed of an application, or allow the application to function properly. These instructions explain how to purge Microsoft Teams cache in both the Windows and Mac operating systems.
To clear your Microsoft Teams cache, delete temporary and saved files from your computer using the instructions provided.
Note: If these instructions do not solve your issue, disable the GPU Hardware Acceleration option using the instruction provided below.
Follow the link to the task you want to achieve:
How-To
Task: To clear your Windows Teams cache.
To clear your Microsoft Teams cache, delete the files from within the following folder located on your computer C: > Users > "your name" > AppData > Roaming > Microsoft > Teams using the instructions provided.
Note: If these instructions do not solve your issue, disable the GPU Hardware Acceleration option using the instruction provided below.
Instructions:
Step 1 - Exit Teams.
Step 2 - Press the Windows Key + R.
Step 3 - In the pop-up window, type %appdata% then press Enter.
Step 4 - Navigate to Microsoft > Teams. Once in the directory, delete all the files and folders within the following folders:
- Application Cache
- blob_storage
- Cache
- databases
- GPUCache
- IndexedDB
- Local Storage
- tmp

Step 5 - Once this step is complete, restart your computer.
Outcome
Your Microsoft Teams chat cache is deleted.
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Task: To clear your Mac Teams cache.
Note: If these instructions do not solve your issue, disable the GPU Hardware Acceleration option using the instruction provided beloe.
Instructions
Step 1 - Exit Teams.
Step 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
Step 3 - Restart Microsoft Teams.
Outcome
Microsoft Teams cache is deleted.
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Disabling the GPU hardware acceleration option is another common solution for teams running slowly, or not responding to user input.
Task: To disable the GPU hardware acceleration option.
Instructions
Step 1 - Open Teams.
Step 2 - Open the Setting menu.
Step 3 - Select the General tab, and scroll down to Applications.
Step 4 - Check the Disable GPU Hardware Acceleration option.

Outcome
GPU Hardware Acceleration is disabled.
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Need additional help?
For additional Training please visit the Teaching & Learning Technologies Training site.
To submit a support request, please fill out the Microsoft 365 Support webform with as much detail as possible, or contact the ET&S Help Desk team on your local campus. For password issues you must call or visit the Help Desk in person.