Calendar crashes every time anyone in the group tries to open it.

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Calendar crashes every time anyone in the group tries to open it.

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The calendar crashes every time any member in my group tries to open the calendar. Offloading the app option and reinstalling it did not help Using the web does works, but no one can read the calendar from their mobile devices because they cannot get into the calendar ,

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2 answers

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Answer 1

Hello!

I'm Yasllame. I'm here to help and clarify.

This answer has been automatically translated. As a result, there may be grammatical errors or strange words.

This behavior indicates, in practice, a problem with the calendar itself (corrupted data or permissions), and not with the application itself — which explains why the web version works, but the mobile apps crash when trying to open.

What typically causes this problem?

• Shared calendar with corrupted event

• Group calendar (Microsoft 365) with broken synchronization in Exchange

• Inconsistent permissions in the group calendar

• Mobile app trying to synchronize an item that the web version ignores

How to try to fix it (practical steps)

Check and remove problematic events (via web – mandatory)

Have the calendar owner access it through their browser:

Outlook on the web → Calendar → Group calendar

Look for:

• Very old events

• Recurring events created years ago

• Appointments without a title or with an “infinite” duration

Delete these events and wait about 30 minutes before testing again on your mobile phone.

Remove and recreate the group calendar (if possible)

If it's a Microsoft 365 Group calendar:

• Remove all group members

• Wait a few minutes

• Add them again

This forces the recreation of permissions in Exchange.

Remove the calendar from your phone only and sync again

On your phone (iOS or Android):

• Remove the Outlook account from the device

• Restart your phone

• Add the account again

• Wait for complete synchronization before opening the calendar

Test with only one member

Add only one user to the calendar and test.

If it works, the problem may be related to a specific member or an item created by them.

Important questions to continue support

To guide you correctly, we need to confirm:

Is this a:

• Shared personal calendar

or

• Microsoft 365 Group Calendar?

Does the problem occur:

• In Outlook for Android

• In Outlook for iOS

or in both?

Does the crash happen:

• When opening the calendar

or

• When tapping on a specific event?

Does anyone in the group use:

• Apple Calendar

• Google Calendar

• Classic Outlook

in addition to the mobile app?

I hope this information has been helpful! If you need anything else, I'm here.

Sincerely,

Answer 2

If the calendar crashes every time any member of your group tries to open it, this could be due to several reasons, including corrupted items or settings within the calendar application. Since you mentioned that reinstalling the app did not help, and that accessing the calendar via the web works, it suggests that the issue may be specific to the mobile application.

Here are some troubleshooting steps you can try:

Clear Cache and Data: Go to the app settings on your mobile device, find the calendar app, and clear its cache and data. This can help resolve issues related to corrupted data.
Check for Updates: Ensure that both the mobile app and your device's operating system are up to date. Sometimes, updates include fixes for bugs that may cause crashes.
Recreate the Calendar: If possible, consider creating a new calendar and inviting the group members to it. This can help if the original calendar has corrupted items.
Contact Support: If the issue persists, it may be beneficial to reach out to Microsoft support for further assistance, especially if this is a recurring problem across multiple devices.

Since the web version works, it may be a temporary workaround until the mobile app issue is resolved.