Calendly Desktop Plugin issues with recent Office 365 updates
Incident Report for Calendly
A recent Office 365 update may impact the functionality of Calendly's Outlook plug-in, Microsoft has issued a solution for this issue. If you are experiencing failures with the Outlook plugin, please upgrade to the latest version of Office by following these steps:

1. From Microsoft Outlook's File menu, select Office Account.
2. In the Office Updates section, select Update Options, then select Update Now.
3. Let the update run, then reboot your PC.
Posted May 06, 2020 - 08:26 EDT
Microsoft is currently working on a fix for this issue. Until Microsoft releases that fix, if you are experiencing issues, you can download a file from us to resolve this issue. More information and the file can be found in this Help Center article:
Posted Apr 30, 2020 - 11:54 EDT
An Office 365 Update has introduced a problem in Windows MAPI. This may impact the functionality of the Calendly Desktop Plugin for some users. The following steps may restore functionality of the plugin:

1. Open Calendly Desktop Plugin
2. Press Ctrl + Shift + U.
3. Check “Disable Mapis” option.
4. Click “Ok”

We are monitoring for a resolution from Microsoft.
Posted Apr 27, 2020 - 20:13 EDT
This incident affected: Calendar Integrations (Outlook Desktop).