# 0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
What is a Extension Informer?
File extension is a set of characters that stand after the dot in the name of the file. For example, FileName.doc, .doc is a file extension here.
extension.informer.com is a database of file extensions and various programs using them. All the data are coming here from the users' PCs through Software Informer Client.
You may find programs working with any extension you want just entering it in the "Search extension" box and pushing the "Go" button. You will see the list of the programs. The top program in the found list will be the one that is associated with this extension by the greater number of the Software Informer users. You may choose any program in the list and visit its page on the software.informer.com with only a click. There you can download this program and look through its review.