CRAM File Type

- The quick facts

What are CRAM files and how to open them

Are you having problems opening a CRAM 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 CRAM file?

A .CRAM file is a Compressed Alignment format file. Through our analysis of CRAM files, we know that one use of the format is Compressed Alignment format. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

How to open CRAM files

Important: Different programs may use files with the CRAM file extension for different purposes, so unless you are sure which format your CRAM 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: December 7, 2012

Suggest another file format using extension CRAM

While we know of one file format using the .CRAM file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .CRAM file.