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You can't remove a calendar item or an email message in Outlook in Office 365

PROBLEM
You can't remove a calendar item such as a meeting request, a reminder, or an email message in Microsoft Outlook in Microsoft Office 365. Additionally, if you try to remove a meeting request, you may receive an error message that resembles the following message:

This meeting cannot be removed because you are the meeting organizer.
SOLUTION
Note Before you try the methods in this section, exit all clients (such as Outlook and Outlook on the web) on which the mailbox is set up, start Outlook, and then try to remove the item. If the problem persists, try Method 1 first. If that doesn't fix the problem, try the next method.

To resolve this problem, use one or more of the following methods.

Recommended method

Method 1: Use Outlook on the web

Try to delete the item in Outlook on the web. If you can't delete it in Outlook on the web, go to the next method.

Note If you can't complete a task in Outlook but you can complete it in Outlook on the web, this might mean that Outlook has to be updated.

Additional methods

Method 2: Use the Search-Mailbox cmdlet

Use the Search-Mailbox cmdlet to search for and remove the item. For more information, see Search and delete messages.

Method 3: Run Outlook commands

Depending on the kind of item that you're trying to remove, you can use the following command line switches to remove the item.

Caution Exit Outlook before you run any of these switches.

  • Click Start, enter outlook /cleanreminders in the search box, and then press Enter.
  • Click Start, enter outlook /cleandmrecords in the search box, and then press Enter.
After you run the applicable switches, start Outlook, and then try to delete the message again.

For more information about these switches, see Command-line switches for Outlook for Windows.

Method 4: Delete the message after you edit it

  1. In Outlook, double-click the email message.
  2. In the Move group in the message ribbon, click Actions, and then click Edit Message.
  3. Remove some characters from the message, or add characters to it.
  4. Click File, and then save the message.
  5. Try to delete the message again.

Method 5: Empty the Deleted Items folder

In Outlook, delete all items that are in the Deleted Items folder, and then try to delete the meeting request or message.
MORE INFORMATION
Still need help? Go to the Office 365 Community website.
Properties

Article ID: 2503266 - Last Review: 03/24/2016 01:12:00 - Revision: 34.0

  • Microsoft Exchange Online
  • Microsoft Business Productivity Online Dedicated
  • Microsoft Business Productivity Online Suite Federal
  • o365 o365e o365p kbgraphxlink o365022013 o365a o365m kbgraphic KB2503266
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