Expunge Updated: 10/04/2017 by Computer Hope Expunge describes erasing, striking out, or eliminating data. Related information How to delete a file, directory, or folder. Delete files without getting a prompt. How to make sure all data is erased on a computer hard drive. When I delete a file on my computer, where does it go? How to recover missing, lost, or deleted files. Unable to delete file: being used by another person or program. Create, delete, rename, copy, and move a worksheet in Excel. Delete, Software terms