versaSRS supports the following file formats:

These are the default values in the versaSRS database table tbl_FileTypes, the ones available in yours may differ. You can run the below query to confirm those configured for your system.
SELECT * FROM tbl_FileTypes
NOTE: EXE and SQL file formats are NOT supported for security reasons.
Unsupported file formats can be added if desired, please refer to option 2. in the Resolution section of this article for further information.