If 365 Subscription No Longer Connected to Account is blocking you, start with the shortest checks, then move into the fuller repair sequence. This article keeps the Microsoft-side fix first and adds WPS Office only as a local-work backup.
Understanding the 365 Subscription Longer Connected Account Failure
365 Subscription No Longer Connected to Account is the core issue affecting Excel. Renenewed the subscription to 365 in APril.
Immediate Steps for 365 Subscription Longer Connected Account
Please test signing in online first here: https://account.microsoft.com/services Use the same email address you think was used when the Best Buy purchase was redeemed.
Behind the Scenes of 365 Subscription Longer Connected Account
The Microsoft account in use may not match the purchase, mailbox, or license owner.
Cached credentials, device policy, or a stalled service check may block the expected action.
A subscription, permission, or temporary service issue may interrupt the workflow.
Apply This Fix for 365 Subscription Longer Connected Account
When to use this: Follow these steps when the symptoms match and you can access the relevant Microsoft account or escalate through Microsoft Support.
Please test signing in online first here: https://account.microsoft.com/services Use the same email address you think was used when the Best Buy purchase was redeemed.
After signing in, please check if Microsoft 365 or Office is listed under Services & subscriptions. If it is listed there, use that same account to sign in to Excel.
Why this helps: The sequence separates identity, permission, and local-client issues before broader reinstall work.
If it still fails: Save the exact error text, account email, and screenshots for Microsoft Support.
Keep Local Files Moving in WPS During 365 Subscription Longer Connected Account

WPS Office cannot fix Microsoft account sign-in, Authenticator, billing, activation entitlement, OneDrive ownership, or admin locks. Those stay on the Microsoft side.
While that recovery continues, WPS Office can keep local editing moving:
Download and install WPS Office.
Open Word, Excel, PowerPoint, or PDF files in the matching WPS app.
Save a local working copy until Microsoft access returns.
Move or sync files back through your normal workflow afterward.
If you need a practical local workspace in the meantime, try WPS Office.
Habits That Reduce Repeat 365 Subscription Longer Connected Account
Keep a backup verification method on important Microsoft accounts.
Record which account owns each purchase, mailbox, and device license.
Sign out of unused Microsoft profiles on shared PCs and update Office regularly.
Back up critical files before repair, reset, or reinstall actions.
Quick Clarifications for 365 Subscription Longer Connected Account
Can WPS Office solve the Microsoft-side failure? No. It helps you keep editing compatible files locally while Microsoft account or service issues are handled in Microsoft tools.
Should I reinstall Office immediately? Usually not. Confirm the account, subscription, and exact error first unless Microsoft guidance for your case requires a reinstall.
What should I send to Microsoft Support? The affected account email, device type, exact error text, and screenshots of the failure.




