How to unformat SD card or memory card?

I plunged my SD card from my Cannon digital camera to my laptop for backing up some newly taken pictures. But it told me "The drive is not formatted, do you want to format it now?" and I clicked yes. After a while, I finally realized that I had deleted all these photos by the formatting. Is there a way to unformat this SD card?

To unformat SD card is not difficult as long as you take the right way.

Formatting a sd card, only files' index is erased, and all the sd card space will be marked as valid for writting new data. So do not attempt to save new photos on this SD card before you have accessed these original photos.

So as long as those photos are not overwritten by new data, all of your lost photos are recoverable. Please download a memory card unformat tool - M3 Data Recovery to help you to recover data from formatted SD/memory card.

Steps to unformat SD card and recover lost photos.

Step 1: Install and launch M3 Data Recovery. Select the partition which you want to recover data from. When SD card connects to a computer, it would be mount as a partition.

Step 2: Choose "Format Recovery" module.

Choose Format Recovery module

Step 3: Choose formatted SD card and then click "Next>" button to scan the lost data.

Scan the inaccessible drive to find the lost files

Step 4: Select the photos you want to recover, and save them to a drive other than the one on which the files were lost.

Recover data from formatted drive

Besides unformatting SD card, M3 Data Recovery can also unformat hard drive, CF card, pen drive, USB drive, flash drive, memory card, etc.