Most operating systems (Windows) require the use of file extensions, but others do not (Unix). This helps the computer to organize its functions and work much faster. Operating systems will not look into the content of the files to be opened, but instead, it will immediately locate the file extension of the file and locate for associated application that can open QQ files. If there is no application on your computer which can open QQ files you need to search on the internet which application can open QQ files.įile extensions help computers locate correct application for specific files.This will either open it with matching application or Windows operating system will suggest you to look for an application for file extension QQ either on web or on local computer.To see if you have an application which supports QQ file format you need to double click on the file.Here is some information which will get you started.

QQ file extension is used by operating systems to recognize files with content of type QQ. To open QQ file you need to find an application which works with that kind of file.

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