Categories in Outlook 16 for Mac suddenly gone?

It sounds like the issue you're experiencing with the categories in Outlook 16 for Mac may be related to how the categories are displayed or filtered. Here are a few steps you can take to troubleshoot the problem:

1. Check Category Settings: Ensure that the categories are still defined in your master category list. Sometimes, categories can be removed or become unlinked from items.
2. View Settings: Verify if any view settings or filters are applied that might be hiding the colored dots. You can do this by going to the View tab and checking the settings.
3. Recreate Categories: If the categories are still in the column but without colors, try recreating them. You can delete the existing categories and then add them back again to see if that resolves the issue.
4. Update Outlook: Make sure that your Outlook application is fully updated, as updates can sometimes fix bugs related to display issues.
5. Check for Add-ins: Sometimes, add-ins can interfere with how Outlook displays categories. Try disabling any add-ins to see if that resolves the issue.

If the problem persists after trying these steps, it may be beneficial to reach out to Microsoft support for further assistance.

References:

• Get and set categories
• Items disappear or are not visible in an Outlook folder

I'm having this problem as well with the Outlook calendar on Mac.