Hosted applications in Outlook error: We can't open the Teams App right now. Please try again later.

Last Updated: October 15, 2021

ISSUE

When launching a hosted application such as ToDo, Yammer, or Bookings from the left menu in Outlook, you may see this error:

We can't open the Teams App right now. Please try again later

Image of outlook window with error "cant open team app"

This issue only affects Beta Channel Version 2111 (Build 14530.20000) and newer.

STATUS: WORKAROUND

To work around this issue, please close Outlook and follow these steps:

Navigate to the following directory:
%LOCALAPPDATA%\Microsoft\Office\16.0\wef\webview2
Rename webview2 to webview2.old
Alternatively, the cached files in the webview2 directory can be deleted.
Start Outlook and re-launch the hosted application

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