Windows® File Extension Guide

How to open Windows files?


Causes of Windows File Errors

Missing software and file associations are the most common cause of Windows file problems. It is highly recommended that you scan your PC using the Windows File Repair Tool - Registry Reviver. It will analyze your files and determine if there are errors that are causing you to have Windows file problems.

Common Symptoms

Windows file error symptoms can include the inability to open Windows files, program lock-ups, crashes, affected PC performance, startup and shut down problems, and installation errors.

Fixing the Problem

Fixing the problem can be as easy as a couple of clicks. First download and run the Windows File Repair Tool - Registry Reviver, next click scan to analyze your files, and finally repair the errors found quickly, easily and safely.

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Fix problems with Windows Files

step 1

Download & Run Registry Reviver

step 2

Click 'Scan' to analyze your files

step 3

Click 'Repair' and you're done!

More information about Windows File Extensions

A file extension is three or four characters at the end of a filename, such as .DOCX, .PDF or .TXT. File extensions tell you the file type, and which programs can open it. These extensions are used in Microsoft Windows, Mac OS X and Linux Operating Systems.

Visit our File Extension Library to find out more about Windows files.

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