How do I open a .OTT file on Windows or Mac?

You can open .OTT files using LibreOffice Writer, Apache OpenOffice. If you do not have native software installed, you can use OpenAnyFile's free File Identifier or convert .OTT to a standard format in your browser.

Is a .OTT file safe to open?

This format carries a safety rating of Low Risk. Use OTT templates for standardized corporate letterheads in open source suites

Can I convert a .OTT file to other formats?

Yes! .OTT can be converted to formats such as .ODT directly in your web browser.

What should I do if a .OTT file is corrupted or won't open?

If your .OTT file displays an invalid header or signature error, check its magic bytes hex header (Varies) using OpenAnyFile's Magic Byte Detector or follow our step-by-step file repair guide.

How do I open .OTT files?

You can open .OTT files using LibreOffice Writer, Apache OpenOffice.

Documents • MIME: application/vnd.oasis.opendocument.text-template

.OTT – OTT File Format

Q: What is a .OTT file?

A .OTT file is a OTT File Format associated with Documents. OTT is an OpenDocument template file used by LibreOffice and OpenOffice to generate pre-styled ODT word processing files.

OTT is an OpenDocument template file used by LibreOffice and OpenOffice to generate pre-styled ODT word processing files.

Primary Category Documents

MIME Type application/vnd.oasis.opendocument.text-template

Magic Bytes Signature Varies

Security Risk Rating Low Risk

Recommended Software to Open .OTT

LibreOffice Writer

windows, mac, linux • Free

Apache OpenOffice

windows, mac, linux • Free