Currently we allow:
.aspx
.bmp
.doc
.docx
.dwf
.dwg
.dxf
.gif
.jpeg
.jpg
.layout
.plan
.png
.ppt
.pptx
.xls
.xlsx
If we're missing a file type you want, please let us know by emailing us at support@luuma.com
Or use the in app feedback widget by clicking on the beetle icon on the right-hand slide out menu.
Further Reading: