Editing and Deleting Table Records
There might be occasions when you do something to a table—type the wrong number into a cell, for example—you didn't mean to do. Fortunately, you can undo an operation in Access XP. The Undo operation recovers the last single action performed.
Certain rules govern use of the Undo feature. First, the record must be edited in Datasheet view. Second, Undo becomes unavailable only when:
To Undo the last change to the current field, use one of the following methods: