Tracking item changes through list versioning
With multiple people editing the same dataset comes the risk of unwanted changes. Somebody updates an item and sets a value to something that is not correct, not wanted, and so on. Additionally, it becomes more important to see which people collaborated on and contributed to an item, and which changes they made. This is what versioning can be used for. Versioning tracks all changes made to list items and includes information about the person who modified the item and at which time. It also allows you to restore a previous version, and view and delete older versions:
Currently, versioning on new Microsoft lists is set to keep 50 versions but was disabled when Microsoft Lists was first introduced. While Microsoft may change this default number sometime in the future if there is a need to increase or decrease it generally, you have full control over the versioning...