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.

1,250
participating publishers

on behalf of over 2,000 societies and associations

1,312
participating libraries
227
trigger events
42,914
committed ejournal titles
2,520,515
committed ebook titles
355
committed digital collections

Preserved content

Preserved archival units (articles, books, etc.) 156,304,652
Preserved ejournal titles 41,741
Preserved ebook titles 3,585,589
Preserved files 2,826,464,873
Preserved images 1,710,086,864
Preserved repository-created archival files 340,026,344
Preserved supplied text files 571,947,043
Preserved application-specific files 35,922,897
Preserved multi-file packages 28,843,830
Preserved video files 679,649
Preserved audio files 18,335
Preserved executable files 122