Microsoft Exchange Calendar Duplicate Entries Mac Calendar

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On your Exchange calendar, you will occasionally see appointments or other entries accidentally duplicated, possibly more than once. This can happen for a variety of reasons; one common cause is synchronizing a PDA that either has duplicate entries on it or is set to the incorrect time zone. 2010-8-11  Exchange Calendar Events Being Duplicated - Help Please. Discussion in 'Android Devices' started by muhcells, Aug 10. Duplicate Exchange calendar entries on droid - Google Search= Also, is your company using Exchange 2007, or 2010? Biometrics disabled on Galaxy J7 when activating Microsoft Exchange email security profile? 2020-4-2  When you try to dismiss calendar reminders in Microsoft Outlook, you discover that they can't be dismissed or keep reappearing. Delete the Reminders folder by using the Microsoft Exchange Server MAPI Editor (MFCMAPI). To do this, follow these steps. (This step re-creates the Reminders folder and adds any valid entries back in.). Nov 18, 2011 8) Import any missing calendar entries in the live (Exch2010) Outlook calendar. This did cause some duplicate entries, which had to be deleted manually for older appointments. 9) Setup and authorize the BB device and user on the BES server in the live Exchange 2010 forest. 10) Re-start the Calendar sync job. 2012-6-14  Duplicate calendar items from Exchange on iPhone I am also having the same issue with the iPhone concerning calendar events. This i believe is defiantly not an EXCHANGE issue as i have tested this on a normal Nokia E51, E71 and there were no issues as. Share an Outlook calendar with other people. Microsoft Exchange Server enables calendar sharing with others who have Exchange accounts. Your calendars can be viewed only by others to whom you have granted permissions. If the other person whose calendar you want to open has not granted you permission to view it, Outlook prompts you to ask. 2012-7-27  This seems to have helped - the spawning seems to have stopped (famous last words!), but there are still duplicate calendar entries in Outlook on my Mac which have replicated themselves in Exchange. Some of these entries I cannot delete, even using OWA. Others are duplicated in Outlook on the Mac but not in OWA.

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Symptoms

When you try to dismiss calendar reminders in Microsoft Outlook, you discover that they can't be dismissed or keep reappearing.

Cause

The reminders folder or the reminder view is corrupted. A sync conflict may also prevent Outlook from dismissing a reminder.

Resolution

Method 1

Delete the item using a command line:

  1. Close Outlook.

  2. Right click the Start button in Windows and select Run.

  3. In the Run window, type or paste the command below and select Enter. Microsoft office for mac trial canada.

If that method doesn't work, use Method 2.

Method 2

Delete the Reminders folder by using the Microsoft Exchange Server MAPI Editor (MFCMAPI). To do this, follow these steps:

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  1. Download MFCMAPI from github (scroll down and then click Latest release).

  2. Exit Outlook.

  3. Open MFCMAPI.

  4. On the Tools menu, click Options, select both of the following check boxes (if they're not already selected), and then click OK:

    • Use the MDB_ONLINE flag when calling OpenMsgStore
    • Use the MAPI_NO_CACHE flag when calling OpenEntry

  5. Click Session, click Logon, select the profile that you want to change, and then click OK.

  6. Double-click the mailbox store that you want to open.

  7. Expand Root Container.

  8. Right-click the Reminders folder, and then click Delete folder.

    Note

    Do not delete the individual items inside the Reminders folder. The Reminders folder is just a view of upcoming events on the calendar. If the items inside the folder are deleted, those items will be removed from the calendar.

  9. Run the Outlook.exe /cleanreminders or Outlook.exe /ResetFolders command line. (This step re-creates the Reminders folder and adds any valid entries back in.)

Method 3

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The sync issue can be fixed by clearing all offline items from the Calendar folder. This will remove all items from the local copy, but they can be downloaded again from the server.

  1. Right click the affected calendar and select Properties > Clear Offline Items > OK. All items on the calendar will be removed.
  2. Select Send / Receive > Update Folder in the ribbon to force the items' download.

Refresh your calendars

  • On your iPhone, iPad, or iPod touch with iOS 7 or later, open the Calendar app, then tap Calendars at the bottom of your screen to see your list of calendars. Swipe down on the list to refresh.
  • On your Mac, open Calendar and choose View > Refresh Calendars.
  • On your Windows PC, go to the Outlook toolbar and click the Refresh button in the iCloud section.

If you still see duplicate calendars, find your issue below to get help.

Remove duplicate calendars on your Mac

To hide or delete duplicate calendars in the Calendar app on your Mac, follow these steps.

Hide calendars on your Mac

  1. Open Calendar. If you don't see a list of your calendars, click the Calendars button in the upper-left corner.
  2. Find the section labeled On My Mac.
  3. Compare the events in On My Mac to the events on your iCloud calendars.
  4. If your calendars in iCloud show all of your events and the calendars on your Mac show only duplicates, you can hide the calendars on your Mac. To hide a calendar, deselect its box in the section called On My Mac.

Delete calendars on your Mac

Entries

If you choose to delete calendars on your Mac, delete only those in the On My Mac section. Don't delete calendars in any other section, like iCloud, Subscriptions, Other, or other calendar services.

To delete calendars on your Mac, follow these steps:

  1. Make a copy of your iCloud calendar data.
  2. In the On My Mac section, click the calendar that you want to delete.
  3. You can delete the calendar in two ways:
    • Choose Edit > Delete.
    • Right-click and select Delete.

Remove duplicate calendars on your Windows PC

To hide or delete duplicate calendars on your Windows PC, follow these steps.

Hide calendars on your Windows PC

  1. Open Outlook and click Calendar. If you can't see your list of calendars, expand the pane: Click the right arrow button above the Navigation Pane button (Outlook 2007), Folders button (Outlook 2010), or All Folders button (Outlook 2013 and later).
  2. From the left viewing pane, find the section labeled My Calendars. In Microsoft Outlook, you can find your local calendars in My Calendars, also called Outlook DATA file. By default, this box should be checked so you have access to your local calendar.
  3. Compare your events in My Calendars to the events on your iCloud calendars.
  4. If your calendars in iCloud show all of your events, and the calendars on your PC show only duplicates, hide the calendars on your PC. To hide a calendar, deselect the checkbox next to the calendar. If some events on your PC aren't in iCloud, try manually importing your events to iCloud. Open iCloud for Windows, deselect the “Mail, Contacts, Calendars, and Tasks” checkbox, and click Apply. Select the checkbox again and click Apply.

Delete local calendars on your Windows PC

  1. Make a copy of your iCloud calendar data.
  2. In My Calendars on your PC, right-click the calendar that you'd like to delete and choose Delete Calendar. Outlook won't let you delete the default Calendar, but you should be able to remove other calendars that you have permission to delete.

If you see duplicate Google calendars on your iPhone, iPad, or iPod touch

If you see duplicate Google calendar data in your iCloud Calendar, you can hide or delete your Google Calendar.

Hide your Google Calendar

  1. Open Calendar.
  2. Tap Calendars at the bottom of the screen.
  3. Find the section Gmail.
  4. Tap All Gmail to hide all of your Gmail calendars. Or tap a specific Gmail calendar to hide it.

Remove your Google calendar

Go to Settings > Calendar > Accounts, tap Gmail, then turn off Calendars.

If you don’t see On My Mac calendars in macOS

To see the On My Mac section in the Calendar app in macOS, follow these steps:

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  1. Open Calendar.
  2. Select any of the calendars under the section labeled Other, like Birthdays.
  3. Right-click outside of the selected option, and select New Calendar. This creates a local calendar under the On My Mac section.

Manage holiday and birthday calendars

You can find calendars for holidays, birthdays, and other events found in apps in the section labeled Other in the calendar list. If you don't want to see these calendars, you can hide them.

Hide holiday or birthday calendars on your iOS device or Mac

To hide Holidays in the Calendar app on your iOS device:

  1. Open the Calendars app.
  2. Tap Calendars at the bottom of the screen.
  3. Scroll down to the section labeled Other, and tap US Holidays or Birthdays to hide it.

To hide Holidays in the Calendar app on your Mac:

  1. Open the Calendar app.
  2. Go to the Calendar list on the left side of the window and find the section labeled Other.
  3. Deselect US Holidays or Birthdays.

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Manage duplicate birthdays on your iOS device

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If you see multiple birthday events for a contact, check if you have more than one contact card for that specific person. Open the Contacts app, tap the Search field at the top, then enter the contact's name. If you see multiple results for the same contact, tap the contact, the tap edit to manage, delete, or consolidate their contact information.