
Journal
Snazzy Contacts keeps a complete revision history for you. With the journal you can keep full control over the changes of your contacts.
You will find the journal in the main menu.

Here you will see a list of all the changes of your contacts. If there a few more changes on one day, you can the plus symbol to expand the view to see the changes in detail.
If you click on one entry, you will get to contact.
Undo Changes
If you want to undo your changes, you have to go to the detail view of an entry. At the bottom you will find the list of changes of this contact.

To revert the changes you have to click on the circle symbol at the change.

After committing your change, you will see the contact entry in its old version.