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Coresee can natively present a defined set of file formats directly inside a room — no screen share required. Files outside this set can be uploaded and stored, but cannot be presented to participants.

Video

.mp4 .mov .mkv

Image

.jpeg .png .svg .webp

Documents

.pdf .docx .pptx .csv .xlsx

Audio

.mp3

Unsupported Formats

Some file formats cannot be presented natively in a Coresee room. Files in these formats can still be uploaded to the Files tab for sharing purposes.

How to identify an unsupported file

You don’t need to check the format manually. Coresee surfaces two clear indicators:
  • Warning on the thumbnail — unsupported files display a warning indicator directly on their thumbnail in the Files tab, visible before you attempt to present.
  • Present button greyed out — when you open the file’s context menu, the Present option is disabled and cannot be selected.