How to Download Your AncestryDNA Raw Data

Your AncestryDNA results live in a web interface, but underneath them is a plain text file of your genotypes that you can download and own outright. Getting it takes a few minutes, and once you have it you can explore your DNA with tools that never require you to upload it again.

Why download it at all

The raw file is the portable, provider-independent version of your data. The polished ancestry estimates on the website are one interpretation; the raw file is the underlying measurements those interpretations were built from. Downloading it means you are no longer locked to a single service’s view - you can analyze the same data locally, keep a private backup, and revisit it with other tools whenever you like.

It is worth thinking of the download as a snapshot you fully own. You can return and re-download later, but having your own copy puts you in control rather than depending on continued access.

The general steps

Interfaces change over time and menus get relabeled, so treat these as the shape of the process rather than exact button names:

1. Sign in to your AncestryDNA account from a web browser.
2. Go to your DNA settings - the area that manages your test and data.
3. Find the option to download raw DNA data.
4. Confirm the request. Ancestry typically sends a confirmation email; you follow the secure link and re-enter your password to verify it is really you.
5. Download the file once access is granted.

The identity confirmation step is a feature, not a hurdle. Because a raw DNA file is sensitive, the service deliberately makes you prove ownership before it hands the data over. If a step does not appear where you expect, the account or help sections usually point to the current location.

What you receive

AncestryDNA delivers a compressed text file. Once unzipped, it is a plain tab-separated table in a split-allele format, with columns along these lines:

rsid	chromosome	position	allele1	allele2

So each row lists the variant’s identifier, which chromosome it sits on, its position, and then your two inherited letters in two separate columns rather than joined into a single AA field. It is the same kind of information other consumer exports contain, just shaped with the alleles split apart. If you want to understand every column in detail, our tour of a raw file line by line walks through each one, including the odd values like no-calls.

A quick local check

Before doing anything with the file, it is reassuring to glance inside it. On most systems a couple of commands confirm it looks right:

head -n 10 AncestryDNA.txt
wc -l AncestryDNA.txt

You should see a short commented header describing the build and columns, followed by many rows starting with rs. Note the build while you are there - it tells you which coordinate system the positions use, which matters if you ever compare files.

Handle it privately

A raw DNA file deserves care. A few sensible habits:

• Keep your master copy in a private, ideally encrypted location rather than an open shared folder.
• Avoid emailing the file to yourself or dropping it into chat attachments.
• If you store it in the cloud, use an account you fully control and understand.
• Label the file with the provider and build so future-you knows what it is.

The best privacy move of all is to analyze the file without sending it anywhere. Because it is just a small text table, everything you would want to do with it can happen on your own device.

Explore it without uploading

Once your file is downloaded, you do not need to hand it to another website to get results. You can:

• Learn how local analysis works with on-device DNA analysis.
• Start the private flow and load your file at the dashboard.
• Compare exports from different services later with our approach to reading them together.

If you also tested elsewhere, our guide to downloading your 23andMe raw data covers that provider’s version of the same process.

This guide is educational and is not medical or legal advice.