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.

1,091
participating publishers

on behalf of over 2,000 societies and associations

1,289
participating libraries
215
trigger events
40,194
committed ejournal titles
2,272,873
committed ebook titles
332
committed digital collections

Preserved content

Preserved archival units (articles, books, etc.) 141,372,232
Preserved ejournal titles 38,786
Preserved ebook titles 1,796,764
Preserved files 2,515,945,841
Preserved images 1,516,624,545
Preserved repository-created archival files 304,737,363
Preserved supplied text files 517,744,751
Preserved application-specific files 34,151,856
Preserved multi-file packages 21,381,670
Preserved video files 401,213
Preserved audio files 10,575
Preserved executable files 116