Describes the cause and action for error messages.
Error Message(English)：
enable editing does not work
Enable or disable security alerts on the Message Bar - Office Support
https://support.office.com/en-us/article/enable-or-disable-security-alerts-on-the-message-bar-adbf15・・・
How to Disable Protected View in Microsoft Excel | Corporate Focus
http://www.corporatefocus.com/support/how-to-disable-protected-view-in-microsoft-excel
Unable to edit Excel spreadsheet? Easy ways to enable editing in Excel
https://www.cocosenor.com/articles/office/how-to-enable-editing-in-excel.html
How To Disable Protected Or Remove Enable Editing Button In Excel ...
https://www.youtube.com/watch?v=O9DQa8cmTgg
https://www.youtube.com/watch?v=O9DQa8cmTgg
How to Re-enable an Add-in that is Disabled or Missing - YouTube
https://www.youtube.com/watch?v=mJlemzmo8t0
https://www.youtube.com/watch?v=mJlemzmo8t0
How to Disable protected view in MS EXCEL or WORD FIXED ...
https://www.youtube.com/watch?v=Qyu1xyTyC08
https://www.youtube.com/watch?v=Qyu1xyTyC08