The pack action will compress an expanded epub into a IDPF compliant epub file.

To pack an epub select the pack action from the toolbar.

pack opotion

The pack action will prompt you for the input folder and the desired output location.

The first prompt will be for the input epub folder which is expected to be in the form of an expanded epub with a mimetype file describing that it is an epub file.


You will then be prompted for an output location. This is simply the folder you wish to pack the selected epub into


Once you have navigated to the output location, press ‘Open’ and the unpack action will begin.

Large ePub files may take some time to expand.

Once complete the console will report the action result and you should be able to observe the packed epub file (which will have the same name as the selected folder) at the location you selected earlier: