This free open-source tool can save a partition that's been overwritten and recover lost files.

Perform low-level disk repair and file recovery--from a command prompt or DOS box--with free utility duo TestDisk and PhotoRec.

Contrary to what you might think, deleting a file doesn't necessarily mean it's gone for good. Check out our quick guide on how to recover deleted files.

After checking the Recycle Bin, Microsoft's command-line option is worth a try. But a dedicated recovery tool is often your best bet for retrieving a deleted file. Here's how to use one.