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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.

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Video

.mp4 .mov .mkv

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Image

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.jpeg .png .svg .webp

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Documents

.pdf .docx .pptx .csv .xlsx

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Audio

.mp3

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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.

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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.