## Files, Formats and Backups

Ulysses keeps everything related to a project in a single package (filename.ulys). This file is a package, which contains a folder for every document in your project. Every folder contains plain text and RTF files with the content of the document, the excerpt and the notes.

You can view the contents of that package by Ctrl-clicking it in Finder and choosing "Show Package Contents".

Backups of your project are created whenever you open or close Ulysses. These backup copies are placed in the Library/Application Support/Ulysses folder.

If you think you went into the wrong direction during your current writing session, you can easily go back to the state from when you opened Ulysses by selecting "Revert to last Backup" from the Project menu.

- I want to move my project to another Mac. Which files do i have to transfer?
  - You only have to transfer your project file (filename.ulys). Everything related to the project (documents, excerpts, notes, text trash, etc.) is stored in this package file.
- How can I revert to an older version of my project?
  - If you only want to go back to the version from previous to opening Ulysses, yo can just use "Revert to last Backup" from the Project menu.
    To revert to an older version than the last backup, you need to overwrite your project file with the appropriate backup copy. To find those backup copies, open Finder, go to your user directory and choose Library > Application Support > Ulysses. You might want to remove the ".bak?" suffix from the file name before copying the file to your Documents directory.