To get an EFT fingerprint file, book an appointment with a live scan provider that can generate a standalone .EFT file and hand it to you directly, bring two forms of ID, and receive the encrypted file by email, secure download link, or USB drive after the capture. The appointment itself usually takes under 15 minutes. The preparation, and picking the right provider, is where people get tripped up.
What an EFT File Is
EFT stands for Electronic Fingerprint Transmission. The file is a digital package containing your fingerprint images plus mandatory demographic fields (name, date of birth, place of birth, sex, race) encoded to the FBI’s Electronic Biometric Transmission Specification.1FBI Biospecs. Electronic Biometric Transmission Specification (EBTS) Version 11.1 Any missing mandatory field triggers an automatic rejection, which is why your provider verifies personal details during the appointment.
The file is encrypted. You cannot open it, preview the fingerprint images, or check it visually on your own computer. It’s built to be uploaded to a requesting agency’s system, and that’s it.
When You Actually Need One
Most private individuals seeking a standalone EFT file are submitting to the ATF. An ATF eForm 1 or eForm 4 application for registering a firearm under the National Firearms Act requires each responsible person on the form to upload their own file. The ATF’s technical rules: the file must use the .EFT extension, conform to FBI specification 8.1.0, and stay under 12 MB.2ATF. Final Rule 2021R-08F NFA Form One Submission External Guidance One file can be reused across multiple ATF submissions.
Other uses exist. FBI Identity History Summary checks accept electronic fingerprints through a participating U.S. Post Office or FBI-approved channeler; the FBI charges $18 regardless of submission method.3Federal Bureau of Investigation. Identity History Summary Checks Frequently Asked Questions Defense Counterintelligence and Security Agency clearances go through the Secure Web Fingerprint Transmission system and require .EFT or .SUB files with Type-4 images (10 rolled prints plus four-finger and thumb slaps).4Defense Counterintelligence and Security Agency. FAQs – SWFT
One boundary worth noting: if you’re filing an immigration petition, you cannot bring your own EFT file. USCIS schedules a biometric services appointment at one of its own Application Support Centers and collects fingerprints there directly.5USCIS. Preparing for Your Biometric Services Appointment
Finding a Provider That Gives You the File
This is the step where most people waste time. Many live scan shops are configured to transmit fingerprints directly to a state agency or the FBI on your behalf and cannot hand you a standalone file. Ask the specific question when you call: “Can you generate an EFT file and give it to me directly?” If the answer is vague, keep calling.
Three types of providers typically do it:
- FBI-approved channelers, which are authorized to forward fingerprint submissions to the FBI and return results. The FBI publishes a current list, though not every channeler produces standalone files for customers.6Federal Bureau of Investigation. List of Approved Channelers
- Private live scan businesses, many of which cater specifically to the ATF eForm market and advertise EFT file creation as a core service. Some UPS Store locations partner with fingerprinting services that offer it.
- Some sheriff’s offices and police departments, though their systems are usually set up for direct agency-to-agency transmission rather than customer file delivery.
Ask about equipment too. The scanner should appear on the FBI’s Certified Products List, which confirms it has been tested against the FBI’s Next Generation Identification Image Quality Specifications.7FBI Biospecs. Certified Products List (CPL) Prints from non-certified scanners risk rejection. Fees for a standalone EFT file generally run $20 to $50, though some providers bundle the file with background check services at higher prices. Confirm the total before booking.
What to Bring
You’ll need two forms of identification, and at least one must be a government-issued photo ID. Acceptable primary IDs include a state driver’s license, U.S. passport, military ID, permanent resident card, or employment authorization card. If you only have one primary, pair it with a secondary form: Social Security card, bank statement, utility bill, or birth certificate.8Administration for Children & Families. FRP-13 Acceptable Forms of ID for Fieldprint Fingerprinting Appointments Unexpired documents are preferred, though some providers accept IDs expired within the past two years.
Bring any reference numbers your requesting agency uses. ATF eForm applicants should have application details handy. DCSA submissions usually involve a control number provided by the sponsoring agency. Getting this information into the file correctly at capture time avoids rejections later.
At the Appointment
The technician will verify your ID and enter your demographic information into the live scan system. Watch the screen. Every field in the file’s demographic record comes from what gets typed here, so check the spelling of your name, your date of birth, and the other details before capture is finalized. A typo causes a rejection that costs you time and often money to fix.
The fingerprint capture itself takes a few minutes. You’ll place each finger individually on the glass platen for rolled impressions (the technician guides your finger from nail to nail), press groups of four fingers together for the flat “slap” impressions, and finish with both thumbs. A complete set is 10 rolled impressions plus the slap impressions.4Defense Counterintelligence and Security Agency. FAQs – SWFT
Image quality matters. The FBI scores each print from 1 (best) to 5 (worst), and prints scoring 4 or 5 are far more likely to be rejected during processing.9NIST. NIST Fingerprint Image Quality and Relation to PIV Live scan systems evaluate quality in real time, so a good technician will wipe the platen and recapture any finger that comes through faint or smudged. If your hands are dry, expect to use a small amount of moisturizer or briefly warm your hands, because dry skin produces weak ridge detail.
Receiving the File
Once the capture is done, the provider packages your data into the .EFT file and delivers it one of three ways: as an encrypted email attachment, through a secure download link, or saved to a USB drive you bring with you. Download links often expire within 24 to 48 hours, so grab the file promptly.
Use a desktop or laptop rather than a phone or tablet. You’ll upload the file from a full computer to the agency’s portal anyway, and mobile devices can corrupt the format in transfer. Save a backup on a separate drive or in secure cloud storage. The file is encrypted, but treat it like any sensitive personal document. Private providers handling fingerprint data must comply with the FBI’s Criminal Justice Information Services Security Policy, which requires FIPS 140-3 certified encryption for biometric data in transit and mandates secure destruction when the data is no longer needed.10Federal Bureau of Investigation. CJIS Security Policy Version 5.9.5 If a provider offers to “keep your file on record,” ask how long they retain it and how they protect it.
Uploading and Reusing It
Submission is the easy part. Log into the requesting agency’s portal, find the fingerprint upload field, select your .EFT file, and submit. For ATF eForms, the upload goes in the responsible person section of your Form 1 or Form 4.2ATF. Final Rule 2021R-08F NFA Form One Submission External Guidance
The same file works for multiple ATF submissions with no one-use limit, so filing several Form 4 applications over months does not mean multiple fingerprint appointments. That said, the file has a practical shelf life. Some agencies treat electronic fingerprint files as valid for about 12 months from capture, which makes an annual appointment reasonable if you submit regularly.
If Your Prints Get Rejected
Rejections happen in a small percentage of cases, usually because ridge detail wasn’t clear enough for the FBI’s automated matching system. Faint prints are the most common cause, and they affect people with dry skin, people who work extensively with their hands, and older individuals whose ridges have worn.
Many providers recapture at no charge on the first rejection. After two failed electronic submissions, the FBI typically requires you to switch to ink fingerprints on a physical FD-258 card. At that point, the agency receiving your application may accept a name-based background check instead, depending on its own rules.
You can lower rejection risk in advance. Moisturize your hands for a few days before the appointment. Avoid heavy cleaning products or abrasives that strip skin oils. If you’ve had poor results with electronic capture before, mention it when scheduling so the technician takes extra time on image quality.