[Theme Horse Support Team]

Hi mbrija,

Are you working on multisite? If yes then
On your network admin => settings => general, you may had these as your allowed files types for uploading:
jpg, jpeg, png, gif, doc, pdf, mp3, ppt, wmv, mp4, xls, ins, isf, te, xbk, notebook, m4a, ist, kmz, kes, mov, flp, avi, swf, wxr, xml, wav, fjsw, docx, pptx, xlsx, xml, m4v, max, kmz, zip

Instead it should be like this:

jpg jpeg png gif doc pdf mp3 ppt wmv mp4 xls ins isf te xbk notebook m4a ist kmz kes mov flp avi swf wxr xml wav fjsw docx pptx xlsx xml m4v max kmz zip

The difference is the commas… it should NOT be a comma-separated list. If still not solving your issue then please send your temporary username and password at our email, We will take a look

Thank you!