GFF3 File

What are GFF3 files and how to open them

Are you having problems opening a GFF3 file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a GFF3 file?

A .GFF3 file is a Generic Feature Format Version 3 file.

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open GFF3 files

Important: Different programs may use files with the GFF3 file extension for different purposes, so unless you are sure which format your GFF3 file is, you may need to try a few different programs.

We have not yet verified any programs for Windows that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!

Last updated: February 26, 2011

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