How to open .SDD files on Linux

To open .SDD files on Linux, open Apache OpenOffice Impress.

Step-by-step instructions

  1. Open Apache OpenOffice Impress.
  2. Use File → Open and choose the .SDD file; your desktop may also offer it via “Open With” based on the application/vnd.stardivision.impress association.
  3. After opening, save a copy in a newer format if you plan to share it widely.

Common issues

The .SDD file won’t open or is misidentified as something else

Some systems or apps may not recognize .SDD correctly, or they may try to open it with the wrong program because it’s a legacy format.

  1. Open it from within Apache OpenOffice Impress using File → Open instead of double-clicking.
  2. If your OS prompts for an app, choose OpenOffice Impress explicitly.
  3. If needed, verify the file extension is .sdd and not a similarly named extension.

Formatting looks wrong after opening

Legacy presentation formats can render differently across office suites due to font and layout differences.

  1. Install the fonts used by the original presentation (if you know them) and reopen the file.
  2. After opening in Impress, save a copy to a newer format and review slides for layout changes.
  3. If the file came from another system, ask the sender for a PDF export for reference.

The file opens but you can’t edit content as expected

If the file is partially corrupted or created by an older workflow, some objects may not convert cleanly to modern editing features.

  1. Try opening and then saving a copy in a newer format from within Impress, then reopen the new file.
  2. If possible, request the same presentation in a modern format from the sender.

Security note

Treat .SDD as an untrusted document format when received from unknown sources: it is a complex legacy file type that must be parsed by office software, and malformed files can trigger crashes or vulnerabilities in document parsers.

Back to .SDD extension page