Notes about the VSF file extension:
Incorrect file associations could be the result of underlying issues within your PC system. As such it is highly recommended to scan your PC for invalid registry entries
, unused processes and other unfavourable system settings to identify slowdown issues.
The VSF file type is primarily associated with 'Voltage SecureFile' by Voltage Security, Inc.. Files which are encrypted using Voltage Securefile will be saved in the Voltage Secure File (.vsf) format.