Re: How to check xlsx files for malicious macros or virus 1 User a virtual machine to open and test it and work on it 2 Use a 3d party tool to open it instead of using microsoft office (like an online service or a 3rd party office compatible tool) 3 Turn off macros/scripts in excel until you are sure you trust it.Is there an app to open XLSX files?
This app is a free Office solution which offers easy viewing of Microsoft Office spreadsheets such as CSV / XLS / XLSX, it can open formats such as .XLSX files. This app is the One Place For viewing All of Your Microsoft Spreadsheets!How to fix corrupted xlsx file?
Fix corrupted XLSX file by following these steps: Start MS Excel application. Go to the file menu, click to Open. A dialog box will pop up where all XLSX files are stored. Select the damaged XLSX file from its location. Choose Open and Repair, from the drop-down arrow.How to fix xlsx file not responding error?
It fixes corrupted XLSX file with easy steps: Go to start menu or press "Windows + R key". Now, type "excel.exe/safe" in the command prompt and hit "Enter". Here, MS Excel will run in safe mode. Select on the "File tab" and open it. This time, MS Excel will no show not responding error.