How to Fix Auto Closing of .Docx Files with Expired Signatures on Microsoft 365

To fix auto closing of .docx files with expired signatures on Microsoft 365, first identify the correct account, file, device, or service context. The steps below isolate the cause and apply a result you can verify.

Confirm the Account, Product, and Expected Result

Start by confirming whether the symptom affects one file, one device, one account, or the service itself. That distinction determines whether the next action belongs in the desktop app, the web portal, or an administrator console.

Quick Supported Workflow

First, open on a machine that can keep it open (e.g., Office 2019), copy content to a new document, then save as a new file. Next, open Word on an affected PC, and verify the final state before changing any backup or secondary account.

Why This Can Happen

• The wrong personal, work, school, billing, or administrator account is selected
• A license, permission, connection, file rule, or local setting does not match the requested action
• Cached credentials or an incomplete synchronization or activation state hides the current server status
• The Microsoft service or application requires a more specific control than a generic restart

How to Fix Auto Closing of .Docx Files with Expired Signatures on Microsoft 365

1. Open on a machine that can keep it open (e.g., Office 2019), copy content to a new document, then save as a new file
2. Open Word on an affected PC
3. Go to File > Account > Update Options > Update Now
4. Run an Online Repair of Office
5. Close all Office applications

After the final step, reopen the affected app, portal, file, or account page and confirm the exact status or behavior described in the title.

WPS Office: A Free, AI-Powered Microsoft Office Alternative

WPS Office cannot directly change Microsoft-side account, billing, subscription, activation, tenant, OneDrive service, or SharePoint permission state. Those changes must be completed in the appropriate Microsoft portal.

WPS Office offers a free, familiar workspace for common Word, Excel, PowerPoint, and PDF formats through Writer, Spreadsheets, Presentation, and PDF. Integrated WPS AI adds practical help for drafting and summarizing documents, building formulas and understanding data, creating editable slide decks, and extracting information from PDFs. Some AI features or higher usage limits may depend on the plan, platform, region, and app version.

Test advanced macros, add-ins, external connections, sensitivity controls, and Microsoft-only cloud integrations on a copy before moving a critical workflow.

Practical Checks That Prevent a Repeat

• Record which account, app, and file owns the workflow
• Keep a verified backup before removing access, changing ownership, or replacing a local file
• Apply high-impact changes to one test item or user before expanding the scope
• Save confirmation numbers, dates, and screenshots of the final settings when they affect billing, security, or permissions

Frequently Asked Questions

Which account, file, or app should I use when I open on a machine that can keep it open (e.g.?

Open on a machine that can keep it open (e.g., Office 2019), copy content to a new document, then save as a new file. Use the account that owns the file, subscription, tenant, or setting. Personal and work accounts can expose different controls.

What result should appear when I open Word on an affected PC?

A small test confirms the correct account, permissions, and destination before the action affects a larger set of files or users. Confirm the account type, product version, ownership, and permissions before assuming the control is unavailable.

What should I preserve before I go to File > Account > Update Options > Update Now?

Keep the original file, confirmation messages, relevant account details, and any existing case or transaction number needed to reverse or verify the action. Keep the relevant backup or confirmation until you have checked the result.

Where should I verify the final result after I fix auto closing of .docx files with expired signatures on Microsoft 365?

Close all Office applications. Reopen the affected app or portal and confirm that the expected status persists.