ODF File Extension

ODF file icon

OpenDocument Formula

What is a ODF file?

Files with the ODF extension are specifically tied to OpenDocument Formula, a Document Files type, and there are 969 files in this category.

The OpenDocument Formula (ODF) was created by Oracle, a company that developed file format and produced 36 programs for their use.

ODF files are supported by Windows, Linux and Mac OS. If you need to open a ODF file, you can use one of 11 programs, such as OpenOffice Writer, LibreOffice Writer and LibreOffice Math.

MIME types

  • application/x-vnd.oasis.opendocument.formula
  • application/vnd.oasis.opendocument.formula

How to open a ODF file?

If you’re having difficulty opening a ODF file, it is often due to not having the correct software. To solve the problem, choose a compatible program from the list. Then follow the link to the official developer site, download the software, and install it on your device.

OpenOffice Writer, LibreOffice Writer and LibreOffice Math stand out as the preferred programs to manage ODF files effectively. To install the latest version of StarOffice on your computer, visit the Oracle website where you can download the version available for all operating systems.

After installation, your operating system should automatically open ODF files with StarOffice.

Set StarOffice as the default ODF handler

Choose an app to open a file on Mac

  1. Right click or use Control + left click on the desired ODF file to launch the file options menu;
  2. Choose "Open in Application" and click "Other";
  3. Next, at the bottom of the window, you will see the "Enable" menu, in which "Recommended Programs" is selected by default;
  4. In this menu, select "All Programs", then find StarOffice and check the box next to "Always open in the application."

Set default programs for Windows

  1. Start by right-clicking on your ODF file, then select "Open With" and continue by clicking "Choose another app" from the options provided;
  2. In the pop-up window, find and select the StarOffice application from the available options;
  3. Make sure the "Always use this app" checkbox is checked and click "OK" to confirm your choice as the default app for opening ODF files.

Convert files to and from ODF

If you have trouble working with a ODF file, try converting it to PDF, RTF, EPUB, XLS, DOC or similar document files.

Be aware that converting a ODF file may reduce some features, but you can usually revert it to the original format.

Convert ODF to other file formats

Converting Files to ODF Format

Effective solutions for ODF file problems

There are some common issues with ODF files that can be resolved easily by making minor adjustments to your software. Below, you’ll find these issues along with practical troubleshooting tips.

What are the methods to detect if my ODF file has been corrupted?

ODF document files that have become corrupted may display one or more of the following symptoms:

  • An unexplained increase in the size of the ODF file;
  • Trying to work with the archive in StarOffice or other programs causes instability or program crashes;
  • The file does not open correctly or displays error messages;
  • While working with the file, error alerts are encountered;
  • The file exhibits poor performance during editing operations in OpenOffice Writer;

Why does StarOffice crash?

Insufficient software updates can contribute to StarOffice crash. To avoid this, make sure that you have installed the latest updates for Oracle products.

Restarting your computer can resolve numerous common problems, so it should be the initial step before changing any software-related settings.

How to repair a corrupted ODF file?

Open the damaged ODF file in a recovery program and select the "Repair" menu item to start the repair operation. Please wait patiently for the recovery process to finish as it will automatically repair the damaged document files.

How to edit a ODF file?

To make changes to ODF files, you need specialized software that allows both opening and editing the document files. Online ODF editors offer fewer capabilities than applications optimized for OpenDocument Formula.

Best ODF editors 2026

Based on these criteria, we have prepared a list of available ODF editors.

ODF Editor SoftwareDeveloperPlatformsOverall Rating
StarOfficeOracleWindows4.8 out of 5 (36 reviews)
OpenOffice WriterOpenOfficeWindows, Mac OS, Linux4.7 out of 5 (37 reviews)
LibreOffice MathTDFWindows, Mac OS, Linux4.5 out of 5 (38 reviews)
LibreOffice WriterTDFWindows, Mac OS, Linux4.5 out of 5 (40 reviews)
NeoOfficePlanamesaMac OS4.2 out of 5 (40 reviews)
OpenOffice MathOpenOfficeWindows, Mac OS, Linux4.1 out of 5 (35 reviews)