Describes the cause and action for error messages.
Error Message(English)：
file missing after restart
How to Recover Excel file Unsaved or Lost - YouTube
https://www.youtube.com/watch?v=tCKEzgGcqFA
https://www.youtube.com/watch?v=tCKEzgGcqFA
Recover Unsaved/Lost Excel Document with 3 Free Methods ? EaseUS
https://www.easeus.com/file-recovery/recover-unsavedexcel-document.html
How to recover unsaved Excel file, use Excel autosave/autorecover ...
https://www.ablebits.com/office-addins-blog/2014/05/26/recover-unsaved-excel-file/
Excel AutoSave and ...
https://www.ablebits.com/office-addins-blog/2014/05/26/recover-unsaved-excel-file/#excel-autosave-au・・・
Recover overwritten Excel ...
https://www.ablebits.com/office-addins-blog/2014/05/26/recover-unsaved-excel-file/#recover-overwritt・・・
How to save a backup copy ...
https://www.ablebits.com/office-addins-blog/2014/05/26/recover-unsaved-excel-file/#create-backup-exc・・・
How To Recover An Unsaved Excel-File In Excel 2016 For Free
https://spreadsheeto.com/recover-excel-file/
How to recover unsaved Excel files - Excel ExposureExcel Exposure
https://excelexposure.com/how-to-recover-unsaved-excel-files/