Your Dossier Account comes with 250MB of storage - allowing you to upload and save letters, transcripts, evaluations, cover letters, resumes, writing samples, and more. Once a document is uploaded to your account, you can include it in as many deliveries as you wish. Here's how:

Navigate to Documents->Add Document

You will notice that there is a predetermined list of document types for you to choose from. Once you select the document type, you will notice that you are given a few options for uploading to Interfolio:

Once you've finished uploading the document, you can access it anytime from your Manage Documents page.

Some document types, such as Confidential Letter of Recommendation, Non-Confidential Letter of Recommendation, and Transcript (Official and Unofficial) require that you create a request for the document to be added:

Requesting Letters of Recommendation

Adding Transcripts