Accepted File Extensions
Below is a list of file extensions and MIME Types for Omeka.net. If you are unable to upload a file because of a MIME type error, check this list to be sure the file is accepted. Please note there is a 128mb file size limit for any single file.
aac, aif, aiff, asf, asx, avi, bmp, c, cc, class, css, divx, doc, docx, exe, gif, gz, gzip, h, ico,
j2k, jp2, jpe, jpeg, jpg, m4a, mdb, mid, midi, mov, mp2, mp3, mp4, mpa, mpe, mpeg, mpg, mpp, odb, odc, odf, odg, odp, ods, odt, ogg, pdf, png, pot, pps, ppt, pptx, qt, ra, ram, rtf, rtx, swf, tar, tif, tiff, txt, wav, wax, wma, wmv, wmx, wri, xla, xls, xlsx, xlt, xlw, zip
application/msword, application/ogg, application/pdf, application/rtf, application/vnd.ms-access, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/vnd.ms-project, application/vnd.ms-write, application/vnd.oasis.opendocument.chart, application/vnd.oasis.opendocument.database, application/vnd.oasis.opendocument.formula, application/vnd.oasis.opendocument.graphics, application/vnd.oasis.opendocument.presentation, application/vnd.oasis.opendocument.spreadsheet, application/vnd.oasis.opendocument.text, application/x-ms-wmp, application/x-ogg, application/x-gzip, application/x-msdownload, application/x-shockwave-flash, application/x-tar, application/zip, audio/aac, audio/aiff, audio/mid, audio/midi, audio/mp3, audio/mp4, audio/mpeg, audio/mpeg3, audio/ogg, audio/wav, audio/wma, audio/x-aac, audio/x-aiff, audio/x-midi, audio/x-mp3, audio/x-mp4, audio/x-mpeg, audio/x-mpeg3, audio/x-mpegaudio, audio/x-ms-wax, audio/x-realaudio, audio/x-wav, audio/x-wma, image/bmp, image/gif, image/icon, image/jpeg, image/pjpeg, image/png, image/tiff, image/x-icon, image/x-ms-bmp, text/css, text/plain, text/richtext, video/asf, video/avi, video/divx, video/mp4, video/mpeg, video/msvideo, video/ogg, video/quicktime, video/x-ms-asf, video/x-ms-wmv, video/x-msvideo, text/rtf
File Display Order
Once files are added to an item, you may click and drag the files into the preferred display order for both public and admin item pages. This can be done from the Item Edit Page, under the Files tab.
Files with Thumbnails
Thumbnail previews are created for all files types on Omeka.net.
File size limitations
128mb per file.
You may add full Dublin Core metadata for every file uploaded.
You can access the metadata for a file from the record for the item to which it is attached. Either click on the link to File Metadata under the admin/items/show/ page or go to the edit page for the item, click on the File tab, and then click edit, as in the image below.
From the File Metadata page, you can edit the metadata for the file and also find links to the various versions of the file (for example, Original and Thumbnail files for an image).