Sign In to Interfolio

If you get a message that "an account with this email already exists" when you try to create an account by clicking the "Sign Up" button, you probably have an existing Interfolio account you have forgotten about. In that case you will need to follow the instructions here.

Follow the instructions below to sign in to your Interfolio account. Click on the link to expand the user guide that is relevant for you.

Sign in to Interfolio with Your Own Credentials

There are a number of ways to get to the sign in page; from our home page, a search engine etc.

One way is from the main page of our website:

Go to and click "Sign In" in the upper right corner of the main page:

Enter your email or username and password

Note that you can sign in using your Google account or through one of our partner institutions.

Once on the sign in page, enter your email or username and password and click "Sign In"

Sign in to Interfolio with Single Sign On (SSO) or a Partner Institution

To sign in through your institution at

Click the "Partner Institution" button

Go to and click the blue "Sign In" button

Search for or select your institution from the dropdown and click "Sign In"