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.

1,232
participating publishers

on behalf of over 2,000 societies and associations

1,295
participating libraries
227
trigger events
42,496
committed ejournal titles
2,493,865
committed ebook titles
354
committed digital collections

Preserved content

Preserved archival units (articles, books, etc.) 153,265,600
Preserved ejournal titles 41,238
Preserved ebook titles 2,315,913
Preserved files 2,784,786,341
Preserved images 1,686,066,059
Preserved repository-created archival files 333,865,001
Preserved supplied text files 565,309,810
Preserved application-specific files 35,667,584
Preserved multi-file packages 26,514,868
Preserved video files 638,881
Preserved audio files 17,243
Preserved executable files 122