lock file

File manager, archiver, viewer, FTP client for the Windows desktop

File Compression Software. Create, manage and extract zipped files and folders.

File transfer and management, remote control and access Android devices.

File Integrity Comparison Tool

File and directory synchronizer, Backup, ZIP, FTP, finding duplicate files

File viewer for wide range of formats and codepages.

File Off encrypts your messages for secure transfer acrross the net

File and folder synchronization software to install on a USB flash drive

File management utility and image viewer.

File changes in particular directory,then copies changed files to another folder