Portico is one of the most comprehensive digital preservation archives; we hold more content than others and have extensive knowledge about the content we preserve, including  an understanding of component file types and formats. The archive is growing daily, and the information below is regularly updated.

1,247
participating publishers

on behalf of over 2,000 societies and associations

1,294
participating libraries
227
trigger events
42,900
committed ejournal titles
2,512,266
committed ebook titles
354
committed digital collections

Preserved content

Preserved archival units (articles, books, etc.) 155,529,298
Preserved ejournal titles 41,692
Preserved ebook titles 3,269,458
Preserved files 2,813,182,172
Preserved images 1,703,064,019
Preserved repository-created archival files 337,841,924
Preserved supplied text files 569,701,446
Preserved application-specific files 35,847,752
Preserved multi-file packages 27,985,434
Preserved video files 669,519
Preserved audio files 17,876
Preserved executable files 122