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About Adding a letterhead or signature to a Letter (for Letter Writers)

It's recommended that letters be written on official letterhead, and include a hand-written or digital signature of the writer.

How to add letterhead:

The easiest way to include letterhead is to have the writer type the letter in a template already formatted with the letterhead.

Many universities and departments have standardized letterhead templates they provide to professors and administrators. Most medical practices will also have letterhead templates for doctors and staff.

Usually, the easiest way to include a hand-written signature is to Print, Sign, Scan, and Upload the letter. We recommend this process for professors or doctors who are less familiar with computer technology.

Remember, our support team is always happy to help with adding signatures to documents

Adding a Hand Signature

  1. You can print, sign, scan, and upload a hand-signed letter.
  2. You can simply mail us a signed copy of your letter.

Adding a Digital Signature

  1. Adding a digital signature in MS Word
  2. Adding a signature to an Adobe PDF
  3. Add a signature using online services such as Docusign, Adobe Sign, DocHub, and numerous others

With any of these services, simply generate the signature and add the signature to your letter of recommendation before uploading the signed copy to Interfolio.

Mailing a letter to Interfolio

If you are unable to include a signature using one of the methods mentioned above, you can include a handwritten signature and mail your letter to Interfolio.

Please mail letters to the following address:

1400 K Street NW
Suite 1100
Washington, DC 20005