V•I•S•A version 7 is back-compatible with V•I•S•A for Windows (versions 3 to 6).  It uses the same file type.  This applies to all the different forms of V•I•S•A Version 7 including PC Desktop/Laptop editions, Web based editions, Standard, Professional and Multi-User

If you have V•I•S•A for DOS files (EVL files) we can convert them for you.  Email them to support.