Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Dear Shannon_948
Thanks for raising your concerns in Microsoft Community.
We understand that you are experiencing a Word Online crash.
Based on your description, we need to confirm that if you turn off the plug-in, can Word Online run normally?
This is to determine whether the Word Online crash is related to this.
Because Mendeley Cite is not an official Microsoft product, if you find that it is indeed related to this, we recommend that you go to the official website of Mendeley Cite and get assistance and support via email or chat.
Home - Mendeley Support Center (elsevier.com)
Disclaimer: Microsoft provides no assurances and/or warranties, implied or otherwise, and is not responsible for the information you receive from the third-party linked sites or any support related to technology.
In closing, while I can't help you further, I hope the information I've provided has helped you find a better direction. If you need our assistance in the future, please feel free to contact us.
Best Regards,
Tracy - MSFT | Microsoft Community Support Specialist