We show you how to open files with no extension in Windows 11/10. You can try these tricks or use one of these free software or online tools.

How to Fix 'Always Ask Before Opening This Type of File'. When you open certain file types in Windows 7 or Vista, such as an Outlook email attachment, Windows displays a warning message about ...

Try renaming the file with the correct extension (e.g., .xlsx for Excel workbooks). If needed, open the file in Excel, save it as the correct format, and close it to apply changes.

So you have this file and you don’t know how to open it. The person who sent it to you doesn’t seem to know either, and your deadline is ticking nearer. What do you do? Head to Go2Convert.com.

Next, right-click on any file that’s in a non-Google Drive format, such as an Excel spreadsheet, Word document, or photo and select Open with from the contextual menu. You should see a list of ...

Click Open. If the app that you want to use to open the file type is greyed out, it's because macOS doesn't think there's a valid association between the two.

Click the "File" menu and select the "Open" option. Click the arrow to the right of the "Files of type" heading and select the "Word for Windows (*.doc)" option from the drop-down menu.

CSV files are special text files that are quite common when dealing with spreadsheets. Here's how to open and make them.