Welcome to OpenFileHelp.com - The Largest File Extension Database
OpenFileHelp.com is the largest database of file extensions available online. This site provides detailed description of the associated file extensions, what company they belong to or the ways to fix possible file extension errors. With the rapid development of technology and computing, there are more and more files released every day. As a result, there are more and more computer users who do not know what software best to use to open those unknown files. And the files are shared worldwide over the Internet in our daily life, therefore, it has become a severe problem. Hence, our team of experts collected and assorted almost all file extensions and tried their best to explain and share the knowledge with computer users in an easy way.
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General Information about File Extension
File extension is an unnoticed but very important role in our computer area. However, there are few computer users knowing the basic knowledge of file extension. Usually, a file extension is a three character at the end of a file name, seperated by a dot. For instance, a picure file is often named as pic.jpg, then .jpg is its file extension. Sometimes, the file extension is not visible and you do not see it. To make the file extensions visible:
  • Open My Computer
  • Click Tools and then Folder Options

show-file-extension

Our computer is run by applications developed to carry out specific tasks that are carried out on data like documents, videos and images etc and saved with a specific file extension to the data type. That's to say, when you edit and save a Microsoft Word document, there is a .doc file extension after the file name. Therefore, we can know this file is opened with Microsoft Word software. With the file extension, our computer can know what program to use and open the file. Otherwise, Windows will ask you to help choose a program when it can not find the associated programs.


How to Open Unknown Files?
When Windows can't open some file, this file is often called as unknown file. In fact, it's just your Windows does not know what program to use and how to open the file. The file extensions always associate the files to specific programs and help the Windows locate the correct programs in a short time. When there is unknown file, it means there is no program associated with the file or the file association is broken or missing or many other factors. If you have any difficulty in open some files, it's recommended that you use an automatic file open tool so as to save your time and troubles.
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Tested 100% Malware & Virus Free