If Microsoft excel subscription expired and you want to activate it again without paying then follow below steps
Change your Online data to Offline Data.
Use non Office 365 Email.
Obtain an Outlook Perpetual License.
Hope you have been able to fix the issue in a very easy way, however, if you struggle to fix the problem then you can call 24*7 our expert available for renew avast, my avast won't open
Renew at office.com/renew. (This is the recommended method.)
Go to Office.com/renew.
Review your shopping cart and choose Checkout.
On the next page, sign in with the Microsoft account that you use with Microsoft 365.
Review your order and then choose Renew subscription.
Regards, Bruce