I've a dozen staff in the company using Dynamics 365 - 1 member of staff in the last few days has found their CRM add-in no longer loading properly.
After a few attempts to load, it generates a yellow bannered message indicating a failure:
So far I have
* stripped out the office installation and WebView2 installations entirely;:
* cleared through the leftovers from the
\Program Files\,
\ProgramData\,
\Program Files (x86),
\%userprofile%\appdata\local\Microsoft\Office\,
\%userprofile%\appdata\roaming\Microsoft\Office\
* reinstalled Office from myaccount.microsoft.com
* ensured it's running the latest version (Build 16.0.16227.20202)
* reinstalled the latest version of WebView2 using the 1.3.173.55 installation package
Yet it's still doing the same as before.
The mailbox is configured fine, default settings and re-tested from with CRM without issue, and the CRM functionality works in OWA - it's just local to this one user and the desktop Outlook application.
During testing, I found with WebView2 NOT installed, the add-in would generate a blue backed message about the version of Outlook not being supported, which based on the information here:
Browsers used by Office Add-ins - Office Add-ins | Microsoft Learn
Would make sense.
Re-installing WebView 2 again, returned back to the previous pink backed error message about being unable to load due to an unknown error.