Restore from a backup
Merging or replacing, and why a bad backup restores nothing.
Open Backup workspace and choose a ZIP. DiagramDock reads and validates the entire archive before writing anything, then asks whether to merge or replace.
| Choice | Effect |
|---|---|
| Merge | Keeps current diagrams; overwrites only those with matching ids |
| Replace everything | Deletes everything in this browser first |
If any part of the archive is unreadable, nothing is restored at all. A half-restored backup would be worse than a failed one, because you would believe it had worked.