Why can’t I delete calendar events in Outlook?

Here are a couple of reasons why you can’t delete calendar events in Outlook:

Outdated Microsoft Office: If Microsoft Office is running on an outdated version, you might find it hard to delete calendar events on Outlook. Poor network connection: If you’ve got an unstable connection, Outlook won’t be able to function properly. Corrupt app data: If the Outlook application’s data is corrupted, it can result in a long list of errors, one of which includes being unable to delete calendar events.

If a deleted calendar event keeps returning to Outlook we invite you to apply the solutions below to fix the problem.

What can I do if I can’t delete calendar events in Outlook?

Before we move on to more advanced solutions, here are a couple of quick fixes you can attempt:

Exit all clients, such as Outlook web, on which the mailbox is set up. Restart your PC. Fix network congestion. Close and relaunch the Outlook app.

If those quick fixes couldn’t resolve the error, here are a couple of advanced troubleshooting techniques you can attempt.

1. Use the Outlook web version

Using the Outlook web version is one of the easiest ways to fix the inability to delete calendar events in Outlook. Now, when you open Outlook on another device, the information should have been synced and you shouldn’t see that event anymore.

2. Reset the Calendar App

Once you complete the steps, the Mail and Calendar applications will revert to their default state, deleting all data stored locally on the computer. You’ll have to reconfigure Outlook when you next launch the application.

3. Run Outlook commands

After running either of these switches, relaunch Outlook, and then try to delete the calendar event again. For more information about these types of switches, see Microsoft’s documentation of Outlook command line switches for Windows. If an Outlook delegate cannot delete calendar items, it has insufficient permissions. The admin must assign the delegate with at least Author permissions on the Deleted Items folder from Outlook. We believe our guide should help you resolve the error, but if you’ve got other solutions to resolve this error, do let us know in the comments.

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