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Recovering after a crash
Nozzit edited this page Jul 24, 2026
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The desktop app automatically keeps recovery snapshots of your work. If the app closes unexpectedly (crash, power failure), it offers to bring that work back on the next launch.
- Shortly after every change (under a second) the app writes a snapshot per open document to its own data folder — for all open tabs, including documents that have never been saved.
- This is not a replacement for saving: your project file itself does not change. So keep saving your work with Ctrl+S.
- The snapshots are cleaned up as soon as you make a choice in the recovery window (Restore or Don't restore).
- Desktop app only. The browser version has no auto-save and no recovery — save regularly there yourself.
Appears at startup when snapshots are found: "Open Planner Studio did not close normally. The following documents had unsaved changes that can be restored:" For each document it shows:
- the name (file name or project name; unnamed: "Untitled project");
- the file path, if the document was ever saved;
- the task count in the snapshot;
- Saved — the time of the latest snapshot.
- Restore (or Enter) — all listed documents come back as open tabs. They then count as unsaved: save them yourself.
- Don't restore — the snapshots are discarded; you start with an empty project.
- Close cross, Esc or a click outside the window — safely postpone: nothing is discarded and nothing is restored; the question reappears on the next launch.
- Quick start — saving and opening projects.
public/docs/en/ and docs/wiki/ — direct wiki edits are overwritten on the next release.
Open Planner Studio · LGPL-3.0 · part of the OpenAEC-Foundation
Open Planner Studio
Getting started
Guides
- Planning & WBS
- Relations & constraints
- Calendars & hour planning
- Resources, histogram & leveling
- Baselines & progress
- Critical path & advanced analysis
- Import/export
- Reports & printing
- Keyboard shortcuts & controls
Reference
- Task dialog
- Calendar dialog
- Resource calendar
- Leveling options
- Baseline management
- External links
- Codes & fields (structure)
- Filters
- Choosing columns
- Saving and loading layouts
- Project information
- Settings
- Managing and installing extensions
- Recovering after a crash
- Keyboard shortcut reference
Project