What is VST? VST, short name for Visio Template, is used as the file extension for Visio Template files. .VST files are binary files that can be opened by Microsoft Visio software. See the sample .VST file included below.

File Extension: .VST

MIME Type: application/visio, application/visio.drawing

File Content: Visio Template

.VSD files are Visio Template files saved as binary files. Here are the first 128 bytes of a sample .VST file dumped in HEX values:

d0 cf 11 e0 a1 b1 1a e1 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 3e 00 03 00 fe ff 09 00 ................
06 00 00 00 00 00 00 00 00 00 00 00 01 00 00 00 ................
02 00 00 00 00 00 00 00 00 10 00 00 05 00 00 00 ................
01 00 00 00 fe ff ff ff 00 00 00 00 03 00 00 00 ................
ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................
ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................
ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................

.VST Visio Template file sample: Click sample.vst to download.

.VST Visio Template files can be created and modified by these software:

• Microsoft Visio 2016 - Creates and edits .VST Visio Template files.