Recovery of all the files and folders of 8gb Microsd card and also replacement of same

Memory Cards Mobile memory, professional cards and all other st
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Thank you for your valuable reply. But the software which Sandisk is referring is not available for free. And also it’s more costly than the price of the micro SD card. And giving the card to a data recovery company is very risky as my card has some confidential data which if shared with anyone will cause me damages. Please suggest a valid software which shall retrieve my data in the same way as it was before. Please help.