How to open VSL file format? (Visio Add-on)

Problems with opening VSL files occur very often among users. Unfortunately, not everyone is aware that the basic and usually the most common problem is the lack of an installed software to handle the VSL file. Its full name is Visio Add-on and the company responsible for its development is Microsoft. Your VSL file has probably an encoded information from the Plugin Files category. If you want to view its contents, open, edit or convert the VSL file to another format, install one of the applications from the list, which is presented below on this page. Can’t you still open your VSL file? Please, visit vsl where you will find more information.

Programs using this file extension

Windows
– Microsoft Visio