Any photograph you had stored, will be entirely erased when an SD card is reformatted. If you discover you still need some of the photos after reformatting it is still possible to recover them by using a file recovery program that searches through the memory on the card and arranges it to reconstruct the deleted files.
How to Recover Format Files on SD Card
Find an SD file recovery program online. Download and install the software to your computer.
Turn off your digital camera or photo frame and remove the SD card. Place the card into your PC's SD port or SD adapter.
Open the SD recovery program and select your SD card drive within the program.
Click the button in the program to start file recovery. It will restore the deleted files back to the SD card.
Check to make sure your SD files are restored. Go to "Start" > "Computer" and double-click on the SD card drive to look at the photos inside.
You can Choose WiseRecovery to help you do that which can recover your deleted or lost files due to situations of corruption, formatting, virus attack, etc. With WiseRecovery you don't need to worry about your lost data any more.
How to Recover Format SD Card Files with WiseRecovery
Download WiseRecovery Software, install it and launch it. Click the "Start Scan" button on the main window of WiseRecovery.
You can see the list of all volumes found on your computer, select the exact drive and click the "Next" button to start scanning. If you can't see the drive, please make sure your external drives are connected, and click 'Refresh' button.
It will take about 2-10 minutes to scan, it depends on your disk size and files amount on the disk. After scanning is finished, you can preview text document and files.