: This is the most common association for the VAC file extension . It is used by Ipswitch IMail Server to store automatic "out-of-office" or vacation responses.
: Opening the file in a tool like Notepad or TextEdit may reveal readable text if it is an IMail vacation message.
: Some utility programs like FileViewPro claim to open various obscure file types, though results may vary based on the internal data structure.
: In the context of 3D animation, a .vac file can store settings for accessories like clothing or specific colors used in the MikuMikuDance software.
VAC File Extension: What Is It & How To Open It? - Solvusoft
The extension is most frequently associated with the following categories: