The free file formats library of file-Extension.com offers you hundreds of free file formats .Here you can get details about many popular file extensions like file extension flv and file extension unknown.

File extension flv

If find difficulty or some problem to open FLV files in Windows, it is possible that you don’t an appropriate program or some error related to registry. To fix that related errors you must run a free registry scan.

Suitable program for flv file extension:

File extension .flv helps to identify those video files that are compatible with flash. After the purchase of Macromedia by the Abode, Macromedia originally develops and supports .flv video files, but these days the other companies are also supporting it. YouTube has also used flv files and after that use they have got quite prominence.

File extension unknown

More often when you have not installed the appropriate program, Windows fails to open these files just like to open unknown files and it is also possible that you have a registry related error. It is strongly recommended to run a free registry scan to fix the related errors .File ext
ension unknown is related with none.

It is somewhat difficult to define the nature and function of file extension as the issue has become quite perplexing because of the developments in hardware and software computers that have been made during the past 40 years. Secondly, different Software developers like Apple and Microsoft have used different file systems and metadata formats in Windows/DOS, UNIX and Mac etc and this difference is considered a basic hurdle in this connection.

Microsoft used the same file extension pattern in its DOS and Windows that the Digital Equipment Corporation implemented during 1960s. However, Microsoft did the thing with making little bit change as it separated the file extension and base name by a full stop and didn’t use it as a single name.

On the other hand, a separate file system were developed and used in the UNIX and Mac operating system. But these days Mac OSX is also using file extension in its operating systems.

For more Info visit: file extension flv and file extension unknown