Let’s see all these fixes in detail. 1] Set the default program for your file (s) Check your file properties. When you open a new file format, Windows asks you to select an app to open that file.

To fix the “Excel file format and extension don’t match” error, first check if the file extension matches its format. Try renaming the file with the correct extension (e.g., .xlsx for Excel ...

Press "Windows-R." Type "recent" into the run box and press "Enter" to open the list of recently visited files. View recently opened files from other users on the same computer by clicking inside ...

How to repair Windows 10 from System File Checker To repair an installation of Windows 10 using the System File Checker tool, use these steps: Open Start. Search for Command Prompt, right-click ...

The System File Checker (sfc.exe) is a command-line tool built into Windows that helps you repair corrupted system files. If you can't boot your PC, the Winhelponline blog explains how to use it ...

How to Check the Contents of an ISO File. An ISO file is an exact image of an optical disc such as a CD, DVD or Blu-ray disc. Windows 7 provides limited native support for the format but it does ...