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Supported MIME Types

The Indexing API supports a variety of MIME types for various content fields in documents. This document provides a list of popular MIME types which are supported and guidelines on how to use them effectively.

Supported​

The following are some popular MIME types which are supported by the Indexing API:

MIME TypeDescription
application/vnd.apple.keynoteApple Keynote presentation
application/epub+zipeBook file
application/mswordMicrosoft Word document
application/onenoteMicrosoft OneNote document
application/pdfPDF document
application/rtfRich Text Format document
application/vnd.apple.pagesApple Pages document
application/vnd.google-apps.formGoogle Forms document
application/vnd.google-apps.siteGoogle Sites page
application/vnd.ms-excelMicrosoft Excel document
application/vnd.openxmlformats-officedocument.presentationml.presentationMicrosoft PowerPoint presentation
application/vnd.openxmlformats-officedocument.spreadsheetml.sheetMicrosoft Excel spreadsheet
application/x-apple-diskimageApple Disk Image
application/x-executableExecutable file
application/x-shockwave-flashFlash file
text/csvComma-separated values file
text/htmlHTML document
text/markdownMarkdown document
text/plainPlain text document
text/tab-separated-valuesTab-separated values file
text/vcardvCard file

Please note that this list is not exhaustive and we support many other MIME Types. If you have query about a particular MIME Type which is not listed, please contact Glean support.

Unsupported​

The following are some popular MIME types which are not supported by the Indexing API:

MIME TypeDescription
application/jsonJSON file
application/xmlXML file
text/cssCSS file
text/xmlXML file
videoVideo file
application/mp4MP4 video file
imageImage file
audioAudio file
zipZIP archive
rarRAR archive

Additional Information​

For more details on how to use the Indexing API to start indexing a custom datasource, refer to the Indexing API Quickstart.

If you encounter any issues or have questions about supported MIME types, please contact our support team.