Microsoft Teams is a tool for team cooperation. It provides various features to help team members communicate, collaborate, and share information (e.g., files, images, links, etc.) in an integrated environment. Microsoft Teams stores temporary data like any other app or website to speed up processing.
However, some corrupted caches may cause conflicts, glitches, or lags in the Teams. In this article, we will walk you through how to clear Teams cache for optimal performance.
Common Cache Issues in Microsoft Teams
Login errors: If your login data in Teams is corrupted, you may be asked to sign in frequently or fail to authenticate.
Display errors: Outdated or overloaded cache may cause the Teams’ interface glitches. These include missing interface elements, profile images not updating, and incorrect status messages.
Slow response: Microsoft Teams may become unstable. For instance, your online status is not updated promptly, and respond slowly.
Synchronization issues: The shared files, messages, and settings across devices cannot synchronize properly.
Clear Microsoft Teams Cache: Step-by-Step Guide
How to Clear Teams Cache on Windows?
Here are steps to manually clear the Teams (both Classical and New) cache on Windows. Before this, make sure which version you’re using first.
For Classical Teams:
- Check if Microsoft Teams is running. Ensure that it has exited by right-clicking the Teams icon on the taskbar and selecting “Quit”.
- Press Windows+R to open the Run dialog box.
- Type the “%appdata%\Microsoft\Teams” path in the Run dialog box and click OK.
- Use Ctrl+A to select all files in the directory, and then click the Delete key.
- After deleting, you can restart Teams.

For New Teams:
You can clear the New Teams cache using two methods. This is a little different than clearing the cache in Classical Teams. The detailed steps are as follows.
Method 1: Reset Teams
- Enter Settings in the search box or press Windows+I to open the Settings app.
- Choose Apps > Installed apps, then type “Microsoft Teams” in the search box above.
- Locate Microsoft Teams in the list of installed apps, click the three dots on the right, and then select “Advanced options”.
- You can find a Reset button and then click it.
- Restart Teams.

Method 2: Delete the files
- Similar to clearing the classical Teams cache, right-click the Teams icon on the taskbar. Then, tap “Quit”.
- Open the Run dialog box by pressing the Windows key on your keyboard + R.
- In the Run dialog box, enter the “%userprofile%\appdata\local\Packages\MSTeams_8wekyb3d8bbwe\LocalCache\Microsoft\MSTeams” path and click “OK”.
- Delete all files and folders.
- Relaunch Microsoft Teams
Clear Teams Cache for Mac
Method 1:
- Right-click the Teams icon in the dock, and then choose “Quit”.
- Select the Finder app, then click “Go” at the top of the screen and open the “Go to Folder” window.
- If a box appears, you should Type “~/Library/Application Support/Microsoft” in it.
- Remove the contents of the folder to the Trash.
- Restart Teams.
Method 2:
- If Teams is still running, right-click the Teams icon in the dock, and then click “Quit”.
- In the Finder, open the /Applications/Utilities folder, and then double-click Terminal.
- Enter rm -rf ~/Library/Group Containers/UBF8T346G9.com.microsoft.teams or rm -rf ~/Library/Containers/com.microsoft.teams2, and press “Return” after each command.
- Restart Microsoft Teams.
Protecting Data Transfers with a VPN
In some cases, a VPN can provide a more stable and secure connection channel. It prevents the instability of the public network from affecting the Teams’ operation. For this reason, we recommend you use LightningX VPN because of its high-speed connection and strong encryption.
LightningX VPN encrypts your data and connection, especially if you need to access your company’s network resources remotely. When using LightningX VPN, Microsoft Teams communication data is also transmitted through encrypted tunnels, adding an extra layer of security.
You will have 2000+ servers to choose from, covering more than 50 countries. Thus, it allows you to bypass geo-restrictions to access Microsoft Teams or its specific features.
LightningX VPN has no bandwidth limitation. Thanks to such an advantage, you can have an excellent Microsoft Teams performance without latency.

Why Do I Need to Clear Teams Cache?
Although Microsoft Teams cache can store your chat logs, files, personalization settings, and configurations, it may easily be corrupted or outdated. So, you’d better clear the cache regularly to force Teams to redownload the latest necessary data and files.
Clearing caches also helps improve Microsoft Teams’ response time and keep your messages promptly synchronized across multiple devices. Thus, it is a simple and efficient way to fix the most common issues (poor performance, login problems, synchronization errors) in Teams. If you encounter the same errors, you can try this solution first to restore normal function.
Clear Teams Cache – FAQs
Will clearing the cache in Teams delete my chats?
The Teams chats are stored in the cloud. Even if you clear your local cache, the chats will be retained and synchronized back when you log back in.
Does clearing the cache affect my Team’s usage on other devices?
No, it only affects the Teams data on your local device. Other devices will continue to access and synchronize data as normal.
How do I know when I need a cache clear?
Microsoft Teams is running slowly, the interface is displaying incorrectly, messages and files are out of sync, or other unusual behaviors are all signs that you need to clear the Microsoft Teams cache.
How do I verify that the cache clear was successful?
After clearing the cache, restart Teams and check if the previous problem is resolved. If the problem disappears, the cache has been cleared successfully.
Conclusion
This article described how to clear Teams cache for Windows and Mac. By clearing the cache, you can remove the old data and restore Teams to its normal operating condition. In addition, the unsynchronized data, abnormal interface display, or degraded application performance can be resolved. After clearing the cache, you may need to log in again without worrying about losing important content.