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.

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

If you cannot open an Excel file and see Excel cannot open the file because the file format or extension is not valid error, see this post.

In macOS, the Open With contextual menu that appears when you right-click (or Ctrl-click) on a file provides links to all the applications installed on your Mac that are associated with that file ...

You don't need an expensive Adobe subscription to open Illustrator files. Here's are three free or low-cost alternative ways ...

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.

Google's latest 'blend online with offline' trick is automatically opening Google Drive files from the web with your desktop apps.

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 ...

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.