Compact Flash CF Card is a mass storage device used in portable electronic devices such as digital cameras, DSLRs, camcorders, music players, game devices. For storage, CompactFlash typically uses flash memory in a standardized enclosure. It was first specified and produced by SanDisk and now is used for a variety of devices including android phones, tablets, cameras, camera drone, gopro, action cameras, pen drive, mobile devices.
However, user may accidentally deleted files from compact flash card, or by mistake reformat cf card and lost all files on the compactflash card. So how to recover deleted/formatted files from CF card? Well, when files are deleted, the raw data of files are still on Compact Flash card. With a professional data recovery software, you can restore your lost files. Here's a step by step CF card recovery tutorial:
how to recover data from CF card
You can recover deleted or formatted photos, videos, songs, documents and other files from your CompactFlash CF card.
Since the space of deleted files are free to use, you'd better stop using CF card to prevent new files to be written to compact flash card. Because new files could overwrite the space of deleted files and make them unrecoverable.
Other useful resources:
Restore photos from compact flash card
Toshiba CF card recovery solution
How to get back files from Thumb drive