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macOS Catalina (10.15.7) - messages not sending attachments

So I have macOS Catalina (10.15.7) and I have been using message to send files (images, contacts, xlsx) files. But for some reason all of a sudden I can send images and contacts but not xls files. The progress bar is 95% and then gets stuck there an times out eventually takes about 10 minutes or so.


Error: Message failed to send

Not delivered.


What I have done.

Troubleshooting 1

  • restarted
  • shutdown
  • try to send xlsx didn't work


Troubleshooting 2

  • logged out of iCloud and messages
  • shut down
  • logged back into iCloud and messages
  • try to send xlsx didn't work


Not sure why its not working. Any help would be appreciated.

Posted on Nov 10, 2021 2:15 AM

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Question marked as Top-ranking reply

Posted on Nov 15, 2021 7:55 PM

solution:

  • logout of messages and icloud
  • shutdown
  • command+option+p+r reset x3
  • boot up
  • login to iCloud and messages

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macOS Catalina (10.15.7) - messages not sending attachments

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