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.

1,242
participating publishers

on behalf of over 2,000 societies and associations

1,295
participating libraries
227
trigger events
42,500
committed ejournal titles
2,503,528
committed ebook titles
354
committed digital collections

Preserved content

Preserved archival units (articles, books, etc.) 153,655,175
Preserved ejournal titles 41,238
Preserved ebook titles 2,350,611
Preserved files 2,788,885,840
Preserved images 1,687,672,938
Preserved repository-created archival files 334,694,415
Preserved supplied text files 566,099,382
Preserved application-specific files 35,690,515
Preserved multi-file packages 26,875,375
Preserved video files 642,578
Preserved audio files 17,301
Preserved executable files 122