How to format laptop windows 7 without deleting any data

[uliveme]

Hello,
i wanna a format my pc without deleting any file from my local disk.what is the way to do that.

 

[Traciatim]

You don't, the whole purpose of a format is to remove all information.

If you want information saved, then move it to another location, like an external drive or another computer. If the information is that important you should probably be backing it up to another location anyway, so you may want to look in to ways to ensure your data is as safe as it can be.