A lost partition is one that is no longer visible or accessible from your operating system. A partition can be lost when the Master Boot Record of your hard drive is damaged or erased. You may also encounter a deleted partition which may appear as if it is lost. Data on the partition remains until the disk space is reused.
You can recover files from a delete partition with these steps:
Yes, you can recover a formatted partition. When partitions are formatted, the data that resided on them is not immediately physically removed. Formatting makes space previously occupied available for use by the operating system. As long as the space has not been reused and the data was not overwritten by new information, data recovery software can restore the partition’s files.