How to Unformat a Memory Card

"Just now, I inserted my memory card to my Android phone and connected it to my computer because I wanted to transfer some data from hard disk to the memory card. However, Windows 7 system asks me to format the memory card when I attempted to access the card. What will happen if I format the card? How to unformat the memory card and get back lost files if I format the card to fix not formatted error? What should I do to access files on the card without formatting?"

Retrieve Photos from Memory Card That Needs Formatting, or Has Been Formatted/Deleted

• Memory card is inaccessible due to not formatted error? 
• SD card is formatted due to mistake? 
• Deleting precious photos from an Olympus XD card on your digital camera? 
• From now on, you will no longer need to worry about the important photos or pictures will be lost from a memory card that needs formatting, or has been deleted or formatted. It has become easier like never before for lost data recovery from a memory card.

Retrieve Pictures Formatted Memory Card/Recover Photos after Formatting Memory Card

Formatting Memory Card in Camera, Smartphone or PC

Since memory card is a type of storage media which can be used in many digital devices, we can format a memory card easily on any device. Most digital devices become more and more intelligent and have more and more functions; we can easily find the format option on many digital device, such as digital camera, smartphone (mobile phone, cell phone), etc. When we accidentally or knowingly press the format button on any of those devices, the result is that the memory card inserted in those devices will be formatted and data inside the memory card will be deleted. If the memory card is connected to a PC, it is less prone to perform a format on the card because it will ask you to confirm when you want to format the card. However, once the card is formatted on a PC, it will also lead data to be erased immediately from the card.

Unformat Memory Card: Is It Possible to Get an Unformat Tool for Formatted Memory Card Recovery?

Why do you use a memory card in your cell phone or digital camera?
What types of memory card are you using, SD, mini SD, micro SD, XD, or CF card?
Did you format your memory card on the smartphone or other digital devices?
Why do you format your memory card, on purpose or mistakenly?
Did you lose important data after formatting your memory card?
Do you know that you can unformat your memory card and get back lost files?

Recover Files from Formatted Memory Card like SD, XD, CF Card

Mistakenly Format a Memory Card on a Camera, Mobile Phone or PC?

Situation1: Anyway, I formatted my memory card on my Sony digital camera. It is a 4GB SanDisk SD card. My question is can I unformat the memory card? I can’t find some important files on my computer. I doubt they are on this formatted memory card. So I want to unformat the memory card to check if those files are on the card. Please help!