Currently, FMSec supports the following file managers in the following desktop environments:
- KDE 3.x:
- KDE 4.x:
- KDE 5.x:
- Konqueror
- Dolphin
- Krusader
- Xfce 4.x:


FMSec adds the following operations to the supported file managers' context menus:
- encryption and decryption using OpenSSL,
- safe removing (shredding) files and directories,
- mounting and unmounting TrueCrypt and VeraCrypt volumes,
- wiping the free space on a filesystem using WipeFreeSpace,
- running programs with LibSecRm preloaded,
- running programs with LibHideIP preloaded,
- running programs with LibNetBlock preloaded.
The available operations are determined on the selected object's type (file or directory) and, only for files, sometimes on its contents (MIME-type), that's why the lists of operations differ:
FMSec actions on a file
FMSec actions on a directory