IMail Server vacation message
File type: Document file
A vac file is a vacation-message file used by the IMail Server email messaging solution. It stores the text of an automatic vacation reply.
Found 2 different file type records with the same vac filename suffix.
File type category:
Document file
Date updated: October 12, 2026
The vac file extension is associated with IMail Server, an email messaging solution from Ipswitch for Microsoft Windows.
A vac file contains a saved vacation message that IMail Server uses when automatic vacation replies are configured. It is a supporting file for the mail server rather than a general-purpose document format.
Use IMail Server on Microsoft Windows to work with a vac file. The file is intended to be managed by the server software rather than opened as a standalone document.
A vac file has no practical standalone conversion option. To reuse its message, copy or recreate the vacation-reply text in IMail Server or another email system's automatic-reply settings.
Software applications that can open vac files:
Microsoft Windows
Software apps that create vac files:
Microsoft Windows
Software applications that handle other tasks involving vac files:
Microsoft Windows
File type category:
Settings, options, themes or skins file
Date updated: November 23, 2018
The vac file extension is associated with the MikuMikuDance, a 3D animation software for Microsoft Windows operating system used to create animation movies.
The vac file stores settings for accessories in MMD.
Use MMD to open *.vac files.
Probably cannot be converted to other formats.
Software applications that can open vac files:
Microsoft Windows
Software applications that can edit vac files:
Microsoft Windows
Software capable of saving vac files:
Microsoft Windows
Software apps that create vac files:
Microsoft Windows
Software apps that manage or store settings in vac files:
Microsoft Windows
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