For our model viewer we only support IFCs.
All file types can be uploaded to our document section.
The following filetypes can be previewed in the document section:

This article contains information about the following types of files:

pdf, fdf, xfdf

There are several ways to display images on Catenda Hub:

bmp, wmf, emf, gif (static image only), hdp, jpg, jp2, png, tif, tiff

Text formatting

You can add a link to a public image in the comment of text in a description or comment of an issue.

bmp, wmf, emf, gif (animated), hdp, jpg, jp2, png, tif, tiff

Viewpoints

You can attach an image to a comment of an issue.

bmp, wmf, emf, gif (static image only), hdp, jpg, jp2, png, tif, tiff

dwg, dxf, dgn, dwf

doc, docx, xls, xlsx, xlsm, ppt, pptx, pub

html, htm, mht, svg

msg

txt, xps, oxps, xml, xod, xaml

e57, las

Same as models section but here you will only see a preview.

This means that the objects will not have properties and GUIDs

ifc, ifczip

Accepted (Official and retired releases by BuildingSMART)

Not accepted (Withdrawn by BuildingSMART)

You can find what IFC releases are official here

Official BuildingSMART sample IFC files can be found here