<File> has changed. Undo check out and lose changes?
This dialog box pops up when you are undoing check out modified file(s).
Dialog Box Items
Undo check out and lose changes?
Cancels the Check Out operation, ignoring changes in the local file and keeping the old version number.
Applies answer Yes to all items you are checking in.
Keeps the file check out without any update.
Applies answer No to all items you are checking in.
Cancels the Undo Check out operation and closes the dialog box.