Oct 14, 2020 · Check if you're able to open the excel file. If the above method doesn't work, open the excel file > go to File > Click Options > Select "Trust" > Click the "Trust Center Settings" button > Select "Protected View" on the left of the window. > De-select all the selected "Enable Protected View" checkboxes. > Press OK to exit.

Jun 14, 2021 · 2.Disable Protected View. Open Excel and click the Options in the bottom-left corner. Click on Trust Center and click Trust Center Settings. Switch to the Protected View tab and uncheck all options. Then click OK to save the changes, and check if the issue disappear when opening the files again.

Nov 11, 2015 · I converted the file and renamed it to a new name. Now I can also open this file from my laptop on Excel. Not sure what or why this happened. I went back and enabled the "open in protected view" feature for outlook attachments on my PC Excel just to see if it would work now. No luck. Still will not open excel file from outlook in protected view.

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Then open an affected workbook, see if you can make changes. 2.You may also try to go to File>Options>Trust Center>Trust Center Settings>Protected View>uncheck "Enable protected View for Outlook attachments". Then open an affected workbook and check the result. 3.If issue still happens, you may also Online Repair Office and try to fix the issue.

Jul 18, 2022 · Every time when opening an excel file whether local or on the network I get the message cannot open this file in protected mode. The files are in the most current excel format (xlsx). I have ran the repair tool and reinstalled office 365 apps.

Aug 5, 2021 · one of my clients has a problem with his Excel Office 365 Installation. Sometimes when he tries to open excel files, he gets a prompt that says "The file couldn`t be open in protected view" (See screenshot below). It usually appears with excel files which are larger than 10 MB. He is on Windows 10 21H1 and Office 365 Version 2106 .

Nov 8, 2023 · Thus we need to disable the three options of Protected View in Trust Center so that they can open the file. Why is this so? As I did a test to open the same file, I am able to open it by clicking "Enable" button of that file and never disable the "Protected View" in Trust Center. We did reinstall the office for my users but still same. Please ...

Jul 3, 2022 · Start Excel. Click Options at the bottom LHS: Click Add-ins: Go through the list of Active Application Add-ins, and for each one use Explorer to find the file listed in the add-in's location. Right-click->Properties on the file when you've found it, and at the bottom of the Properties dialog box check Unblock and then OK the dialog box.

Dec 11, 2015 · Let's try the following steps, then try opening the problem Excel file and verify the result. 1) Open Excel > click on File > Options > section Advanced. 2) Under General section > select the checkbox for Ignore other applications that use Dynamic Data Exchange (DDE) > OK. 3) Now try opening the file in question file and verify the result.