If you have a particular file format that you would like us to add or improve in PRONOM, please complete the form below, entering as much information as possible. If you have additional information about an existing PRONOM entry, please complete the relevant sections of the form, and we will endeavour to verify your submission and update the PRONOM entry.

The information on this form helps give us a better understanding of the PRONOM user base and requirements. We may use your contact details for follow up questions about the file format(s) in question or in connection with other digital preservation matters.

* mandatory field

Your details

You have 750 characters remaining.

Your request (new entry/update to existing entry)

Please suggest particular file formats you would like more information on. These can be formats which are not currently listed in the PRONOM database, or formats which have an incomplete entry in PRONOM.

Your submission (additional information)

If you have specific technical information about the file format concerned, please provide it here.

You have 750 characters remaining.

You have 750 characters remaining.

Privacy statement

The National Archives takes your privacy seriously and we are committed to the responsible handling of personal information in accordance with our Information Charter. See our privacy policy for more details.