Can I deactivate Microsoft Teams in Vtiger CRM? 

To deactivate or remove Microsoft Teams and Vtiger CRM integration, you need to do the following:

1. Uninstall the Vtiger CRM app from Microsoft Teams
2. Uninstall the MS Teams add-on from Vtiger CRM

Uninstalling Vtiger CRM App
Follow these steps to uninstall the Vtiger CRM app from Microsoft Teams:

1. Log in to your Microsoft Teams account.
2. Right-click on the Vtiger CRM app on the left panel.
3. Click Uninstall.

Vtiger CRM app is now uninstalled from Microsoft Teams.

Uninstalling Microsoft Teams Add-on
Follow these steps to uninstall the Microsoft Teams add-on from Vtiger CRM:

1. Log in to your CRM account.
2. Click the User Menu on the top right corner of the screen.
3. Click Settings.
4. Go to the Extensions.
5. Click Extensions Store.
6. Search and open Microsoft Teams.
7. Click More Details.
8. Click Uninstall.

Microsoft Teams add-on is now uninstalled from Vtiger CRM.