This article provides step by step instructions to remove recurring meetings from your UCS calendar before migrating to Office 365.

Recurring meetings will cause issues when migrated to Office 365, including being unable to edit or delete them.

  1. Login to
  2. Click on the Calendar tab.
  3. Double-click a recurring meeting.
  4. You will be given the option to open a single instance or the whole series. Choose Open the series.
  5. Click OK.
  6. Make note of the details of your recurring meeting including location, attendees, and anything else that may be relevant.
  7. Click on the text to the right of Repeat (see the image above) to see how often the meeting repeats and make a note of that as well.
  8. Choose an End by date of the series BEFORE your Office 365 Migration date.
  9. Repeat for every recurring meeting you own.

See this page for picture references.