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Excel: This File Couldn’t Open in Protected View – Technipages


Excel Protected View is a mode that allows users to open files while disabling most editing features.

If you cannot open an Excel file in Protected View, there’s reasonable evidence to indicate the file is coming from an unsafe location. Or that it could be malware-ridden. In order to protect your computer, Excel decided not to open that file.

But there are situations when Protected View doesn’t open files coming from safe locations. As a result, Excel freezes, and users need to force-close the program.

Excel Protected View Won’t Open Files

Disable Protected View

But do this only if you’re absolutely sure that the file you want to open is safe.

  1. Launch Excel and click on the File tab.
  2. Then go to Options and select Trust Center.
  3. Select Protected View.excel protected view settings
  4. Untick the checkbox appropriate for your situation:
    1. Enable Protected View for files originating from the Internet.
    2. Or Enable Protected View for files located in potentially unsafe locations.
    3. The third option lets you Enable Protected View for Outlook attachments.

For example, if the file you’re trying to open in Protected View comes from an Outlook attachment, untick the last option.

Repair Office

If this is a false-positive alert, it could be due to corrupted Office files. Repair Office to solve the problem.

  1. Launch Control Panel.
  2. Then go to Programs and Features.
  3. Select Office 365/Microsoft 365.microsoft office 365 change control panel
  4. Click on theChangebutton.
  5. Select Quick Repair. And if that does not help, select Online Repair.

quick repair office windows 10

Download and Rename the File

The troubleshooting suggestions below come from Excel users who encountered the same issue. These methods may not work for all users. But it’s worth giving these suggestions a try.

Some users managed to bypass this issue by downloading the problematic file on their computers. After that, they renamed it and were able to open it in Protected View.

Sometimes, you may also need to convert the file to a newer Excel format. Many users could not open Excel 97- Excel 2003 Workbook format (.xls) files using the latest Excel version.

change excel file type

A third workaround involves opening a blank Excel document. Then place the problematic file into the new blank file. Save the new file using a different file name. And open it just as you would open a normal file.

Test all these suggestions. See which method works for you.



This post was written by Madalina Dinita and was first posted to Technipages



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