The file extension is not necessarily linked to the format of the file but instead just tells File Explorer how to open and read that particular file using the applications you have installed.

Do you want to open a file type or link with a specific app? Here's how to change the default app settings on Windows 11. When you purchase through links on our site, we may earn an affiliate ...

For example, the file type Text Document has a .txt extension, the Microsoft Word Document file has a .doc or .docx extension, the Adobe Acrobat Document file has a .pdf extension, etc.

Disabling File-Type Warnings Close the program you are using to open the file that gives you the "Always ask before opening this type of file" message, if it's currently running.

To view file associations in Windows 10, open File Explorer and navigate to the folder that contains files of the file type you want to modify. Next, right-click on a file and select Properties ...

Executable file types such as .exe. .bat or .msi are not supported to automatically open after download in Google Chrome as once opened, these files can automatically execute themselves.

How to Open a RAR File Without WinRAR. Since many email providers impose a file size limit on email attachments, the RAR format is ideal if you want to compress and send multiple large files ...