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What File Types for Documents, Audio, and Images Can Be Previewed?

JPG, TXT, Word documents, Excel spreadsheets, PDFs, just to name a few.

What File Types for Documents, Audio, Images Can Be Previewed - Screenshot

When you upload documents, audio files, or images under the Attachments section, some file types can be previewed using the preview tool (the eye icon). A lightbox will appear, allowing you to view the content without downloading it.

Here are the supported preview file types:

Images
png, jpeg, jpg

Documents
txt, xls, xlsx, doc, docx, pdf, rtf

Audio/Video
mp3, wav, ogg

Note: You can still upload other file types (see the full list here), but those may need to be downloaded to view their contents.