Save Known Differences Into a SnapshotSave known differences as a snapshot. The Save Snapshot dialog opens, where you can set options for saving the snapshot.
Load Known Differences From a SnapshotLoad a saved snapshot to your current Resolve Differences session. The Load Snapshot dialog opens, where you can select the snapshot you want to load.
Mark/Unmark a Row as a Known DifferenceWhen you select a row, and then click Mark Known Difference, you hide the selected rows in the Resolve Differences display.
Click a row, or press Crtl+click to select multiple rows, then click the Mark Known Difference icon. You can save marked rows as a snapshot when you click Save Snapshot after you mark known differences.
Show Known Difference ItemsClick this button to display known differences you hid using the Mark Known Differences option. This option is disabled when a snapshot is not active, or you have not marked rows as a known difference.
Show Differences that have changed since the last loaded SnapshotIf you loaded a snapshot, you can click this button to display the rows (either the left or the right) for which the property value has changed since the snapshot was saved.