After upgrading to the new Teams client, you may notice that some features you used in classic Teams are missing or grayed out. This happens because the new Teams client, built on the Microsoft 365 platform, has a different architecture and a phased feature rollout. This article explains why features disappear after the upgrade and provides step-by-step fixes to restore them. You will learn how to check your client version, manage policies, and enable missing features.
Key Takeaways: Restoring Missing Features in New Teams
- Teams admin center > Teams apps > Manage apps: Check if the feature is available in the new Teams app catalog and whether it is blocked by policy.
- Teams admin center > Teams > Teams policies: Verify that the policy assigned to your user allows the feature you are missing.
- Settings > General > Enable new Teams client: Toggle this off and on to force a refresh of the client and re-download missing components.
Why Features Disappear After Upgrading to New Teams
The new Teams client is a completely rebuilt application that uses a different codebase, called the Microsoft 365 platform. This new client is designed to be faster and more efficient, but it does not have every feature that classic Teams had on day one. Microsoft is gradually migrating features from classic Teams to the new client. Some features are simply not yet ported, while others are hidden behind a feature flag that your tenant or user policy controls.
Another reason for missing features is that the new Teams client checks for available features at startup. If the client fails to download the latest feature configuration due to network issues or a corrupted cache, some features will not appear. Also, your organization may have set up policies in the Teams admin center that restrict certain features for new Teams users. Understanding these causes helps you target the right fix.
Steps to Diagnose and Restore Missing Features in New Teams
- Check your Teams client version
In the new Teams client, select your profile picture at the top right, then choose About. Note the version number. If it is older than 1.6.00, you may be missing features that were added in later updates. Go to Settings > About Teams to see if an update is pending. If an update is available, install it and restart Teams. - Clear the Teams cache
A corrupted cache can prevent the new Teams client from loading all features. Close Teams completely. Press Ctrl + Shift + Esc to open Task Manager and end all processes named ms-teams. Then press Win + R, type %appdata%\Microsoft\Teams, and press Enter. Delete everything inside this folder. Restart Teams. This forces a fresh download of feature settings. - Verify user policies in the Teams admin center
As an administrator, go to Teams admin center > Users > Manage users. Select the affected user, then click Policies. Review the assigned Teams policy. If the policy has a feature disabled, such as Allow private channels or Allow meeting recording, the new Teams client will not show that feature. Edit the policy or assign a different one that allows the feature. - Check app permission policies
Some features are delivered as apps, such as Tasks by Planner or Praise. Go to Teams admin center > Teams apps > Permission policies. Ensure that the policy assigned to the user allows all apps. If an app is blocked, the feature will be missing. Edit the policy to allow the specific app. - Toggle the new Teams client switch
In the new Teams client, go to Settings > General. Find the option Enable new Teams client. Turn it off, wait 10 seconds, then turn it back on. This forces the client to reinitialize and re-check for available features. - Reinstall the new Teams client
If none of the above works, uninstall Teams from Settings > Apps > Installed apps. Then download the latest installer from the Microsoft 365 admin center or use the direct link teams.microsoft.com/download. Install it and sign in again.
If Teams Still Has Issues After the Main Fix
Teams Shows a Blank Window After Switching Work Accounts
This often happens when the Teams cache contains data from the previous account. Clear the cache as described in Step 2. If the issue persists, sign out of Teams, restart the computer, and sign in again.
Feature Is Missing Only for Some Users
This indicates a policy difference. Compare the Teams policies and app permission policies of a user who has the feature with one who does not. Adjust the policy to match.
New Teams Client Does Not Support a Feature That Classic Teams Had
Some features are not yet available in the new client. Check the Microsoft 365 roadmap for the feature. If it is not listed, you may need to use classic Teams temporarily. Microsoft allows you to switch back by going to Settings > General > Enable new Teams client and turning it off.
New Teams Client vs Classic Teams: Feature Availability Comparison
| Item | New Teams Client | Classic Teams |
|---|---|---|
| Performance | Faster startup and lower memory usage | Slower and more resource-intensive |
| App support | Supports all apps, but some are in preview | Full app support with no preview status |
| Custom backgrounds | Available | Available |
| Breakout rooms | Available | Available |
| Live captions | Available | Available |
| Third-party app integration | Limited until apps are migrated | Full integration |
The new Teams client is the future, but it is still catching up to classic Teams. If a feature is critical for your workflow and is not yet available, you can switch back temporarily. However, Microsoft will eventually retire classic Teams, so plan to adapt to the new client as features are added.
You now have the tools to diagnose and fix missing features in the new Teams client. Start by checking your client version and clearing the cache, as these are the most common fixes. If the issue is policy-related, use the Teams admin center to adjust your settings. For a quick check, press Ctrl + Shift + Esc to open Task Manager and confirm Teams processes are closed before clearing the cache.