What file is arc?
The current online game files are some of the arc format, arc file is actually a traditional compressed file;
How does an arc file open?
Since the arc file is also a compressed file, then we can borrow some regular decompression file open, find your arc file right-open the way, select the program you want to open this file, such as Freearc can easily open it.
Indentation Tool--freearc (under the name), dedicated to the ARC format compression decompression, performance is very strong, the introduction of a detailed evaluation. Freearc claims to have WinRAR, 7-zip twice times more than the compression speed (in the same compression efficiency), with ARC compression format (can only compress this format, RAR is winrar unique closed format, other compression software can not compress this format), can extract RAR, 7Z, ZIP , cab and other commonly used compression format, can absolutely meet the needs of everyone.
Of course, there are many other tools can also open the arc file, but in order to ensure that there is no error, it is recommended to use FREEARC professional tools better.