Describes the cause and action for error messages.
Error Message(English)：
keeps saying file already open
[SOLVED] Onedrive Shared Office Documents - File is ...
https://community.spiceworks.com/topic/2164907-onedrive-shared-office-documents-file-is-already-open・・・
[SOLVED] Excel Document Locked by User When Not Open ...
https://community.spiceworks.com/topic/2040220-excel-document-locked-by-user-when-not-open
[SOLVED] Word document claims to be locked by a user who ...
https://community.spiceworks.com/topic/526084-word-document-claims-to-be-locked-by-a-user-who-is-not・・・
How to Unlock Excel file locked for editing by "Another User ...
https://community.spiceworks.com/topic/479895-excel-file-locked-for-editing-by-another-user-who
Excel thinks a file is already open | PC Review
https://www.pcreview.co.uk/threads/excel-thinks-a-file-is-already-open.1036074/
'File is already' open error in Excel, recent problem with ddeexec ...
https://social.technet.microsoft.com/Forums/en-US/2cee4160-3b74-4390-a429-b1c27e370bef/file-is-alrea・・・
Excel file save error: Someone else is working in ...
https://social.technet.microsoft.com/Forums/office/en-US/824030f2-f20a-4ed9-b368-b052e8a26b30/excel-・・・
Excel reporting wrong user editing it under file ...
https://social.technet.microsoft.com/Forums/ie/en-US/2586a8cb-3452-422e-bf16-f6782beb0423/excel-repo・・・
"The document is locked for editing by another user" error message ...
https://support.microsoft.com/en-us/help/313472/the-document-is-locked-for-editing-by-another-user-e・・・