Describes the cause and action for error messages.
Error Message(English)：
my excel subscription has expired
サブスクリプションの有効期限が切れています" という ... - Microsoft Support
https://support.microsoft.com/ja-jp/help/3008304/your-subscription-has-expired-error-for-skype-for-b・・・
How To Use Microsoft Office (Free) Even After Subscription/Trial ...
https://www.youtube.com/watch?v=UmvQktZKx54
https://www.youtube.com/watch?v=UmvQktZKx54
It says my MS office is expired. What can I do now? - Quora
https://www.quora.com/It-says-my-MS-office-is-expired-What-can-I-do-now
Access files when your Office subscription has expired - RAWinfopages
http://www.rawinfopages.com/tips/2015/03/access-files-when-your-office-subscription-has-expired/
What happens when Office subscription expires? - RAWinfopages
http://www.rawinfopages.com/tips/2015/03/what-happens-when-you-cancel-your-office-subscription/
Office 365 - Your subscription has expired
https://kb.wisc.edu/helpdesk/page.php?id=71330
Here's what happens when an Office 365 subscription expires ...
https://www.computerworld.com/article/3207547/what-happens-when-an-office-365-subscription-expires.h・・・
How do I reactivate my free Microsoft Office subscription? - Articles ...
https://tech.wayne.edu/kb/help-support/cit-help-desk/121368