Describes the cause and action for error messages.
Error Message(English)：
password popup not working
Excel Does Not Prompt For Password - Microsoft
https://social.technet.microsoft.com/Forums/lync/en-US/b681b879-b9f9-45cc-93e7-5afe832ed6c2/excel-do・・・
How to make a password prompt popup upon opening a sheet in excel ...
https://www.quora.com/How-do-I-make-a-password-prompt-popup-upon-opening-a-sheet-in-excel
[SOLUTION] Password Protected Excel - Experts Exchange
https://www.experts-exchange.com/questions/28410400/Password-Protected-Excel.html
Excel interop prevent showing password dialog - Stack Overflow
https://stackoverflow.com/questions/44168594/excel-interop-prevent-showing-password-dialog
Outlook needs password but dialog box disappears - Super User
https://superuser.com/questions/1349327/outlook-needs-password-but-dialog-box-disappears
Stop Repeated Prompts for User Credentials - YouTube
https://www.youtube.com/watch?v=kjRx1U8l7sU
https://www.youtube.com/watch?v=kjRx1U8l7sU
[SOLVED] Excel 2010 File, Asking for PW on Open, but it is ...
https://community.spiceworks.com/topic/344422-excel-2010-file-asking-for-pw-on-open-but-it-is-unprot・・・
Top 6 Ways to Fix Excel File Not Opening - PassFab
https://www.passfab.com/excel/excel-file-not-opening.html