# Library

> Save, organise, and autosave your node graphs with GraphDeck's personal library and the .gdeck file format.

Save your graphs to a personal library that persists across sessions and projects. In Free you keep up to 5 graphs in each tool - trash one to make room, or go Pro for an unlimited library. Nothing is ever deleted at the cap: existing graphs always open, edit and save.

## Saving

With a graph on canvas, use File -> Save or Ctrl+S. Choose a name and location. Files are saved in the .gdeck format: a structured zip archive that bundles graph data, thumbnails, and assets together.

## The .gdeck Format

.gdeck files bundle the graph data, thumbnails, and assets into a single file. They're compact, portable, and can be shared with anyone who has GraphDeck.

## Organising (Pro)

Create folders in your library to organise by project, system type, or however you prefer. Tag files for quick filtering, sort by date or node count, and set a custom library location. The library panel on the left lets everyone browse and search; the organisation layer is Pro.

## Autosave

GraphDeck autosaves your work periodically, in Free and Pro alike. If the app crashes, a recovery prompt appears on next launch offering to restore your unsaved work.

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