Project Office allows exporting files in different formats. To export file go to File ▸ Export (Option+Command+E).
In Formats dropdown list you can choose one of the following options for exporting your project file
When sharing file, the following file formats are available:
▸ Microsoft Project® (XML) — MS Project® (XML) format can be used to exchange projects with Microsoft Project®2007, 2010, 2013 and 2016. More info
▸ Project Office Archive (lspz) — an archived project file to open using Project Office.
▸ Portable Document Format (PDF) — a PDF of the entire Gantt chart view and/or Outline view.
▸ PNG image — an image of the entire Gantt chart view and/or Outline view in PNG format.
▸ TIFF image — an image of the entire Gantt chart view and/or Outline view in TIFF format.
▸ JPEG image — an image of the entire Gantt chart view and/or Outline view in JPEG format.