If your workflow is blocked, confirm the account and app context, then follow the ordered fixes below.
Problem Description: Why Word Document Encountering
Word for Mac after recent updates stopped working correctly. Cannot highlight with trackpad (only with keyboard), but highlighted text will not move, cut, delete. I called tech support who said this is a known issue with the Mac OS update and Microsoft updates. Great, but I literally cannot work! I cannot update invoices, edit any documents. Major business disruption. Does anyone know of any fixes yet? No updates have come out to correct and I'm paying monthly for an app that's supposed to be able to perform the most basic activities.
Quick Answer for File Cannot Open Quick Fix
First, try creating a new user account via System Settings > Users & Groups, sign in to that account, and test if the problem persists.
Likely Causes Behind Word Failure Patterns
The Microsoft account or license context may not match the purchase or device.
Cached credentials, outdated builds, or damaged local components can trigger file cannot open.
A file-specific corruption or add-in conflict can mimic a broader application failure.
Recommended Solution: Transferring Word License Safely
When to use this: Apply these steps when the symptoms match and you can access the relevant Microsoft account or administrator.
If the issue disappears, it's related to your user profile in the Office installation.
If the issue remains or you prefer not to move user data, uninstall Office for Mac using the provided steps, then reinstall from the Subscriptions page of your Microsoft account.
Before uninstalling, back up your Normal.dotm file if you have custom styles, AutoText, or VBA macros: hold the Option key, click Go in the macOS toolbar, choose Library, and navigate to ~/Library/Group Containers/UBF8T346G9.Of...
Alternative Solutions for Fallback Options for File Cannot Open
Retry the Microsoft-side steps after restarting the app and device.
Test the same action in a private browser session or a new blank file to isolate account vs file issues.
Capture exact error text and screenshots before contacting Microsoft Support or your administrator.
Working with WPS Office: Editing Files in WPS During File Cannot Open

WPS Office cannot replace Microsoft account, activation, or cloud fixes for this scenario. It remains one of the best free Microsoft Office-compatible alternatives for opening and editing local files.
Download and install WPS Office from the official website.
Open local Word, Excel, PowerPoint, or PDF files in the matching WPS app.
Save a working copy locally while Microsoft-side issues are resolved.
Return to Microsoft Office after the primary fix succeeds.
If you need a practical local workspace in the meantime, try WPS Office.
Prevention Tips for Smooth Word Device Transfers
Keep one primary Microsoft account for subscriptions and Office sign-in.
Install updates for Office and Windows before retrying failed workflows.
Back up important files before repair, reset, or reinstall actions.
Work on copies and keep version history enabled when available.
FAQs About File Cannot Open Help Topics
Can WPS Office fix this file cannot open issue directly? Only when the WPS steps match the formatting or file task. Account, activation, and cloud issues stay on the Microsoft side.
Should I reinstall Word before trying these steps? Not first. Confirm account, license, and the exact error before reinstalling.
What should I send to Microsoft Support? The affected account email, device type, Office version, exact error text, and screenshots with personal data hidden.




