The George W. Bush Presidential Library and Museum holds approximately 80 terabytes of electronic records — the largest electronic records collection of any Presidential Library.
President George W. Bush and Israeli Prime Minister Ariel Sharon laugh together during their joint press conference, July 29, 2003, in the Rose Garden of the White House.
Courtesy George W. Bush Presidential Library and Museum. (P32655-32)
This data includes over 200 million email messages created or received using the White House email system; nearly 4 million photographs created by the White House Photo Office; the files from the shared network drives used by various offices in the White House; and the data from the various records management, scheduling, and appointment systems used during the Administration of President George W. Bush. The vast majority of these electronic records are stored in the National Archives and Records Administration's Electronic Records Archive (ERA). Electronic records not stored in ERA are physically housed by the National Archives at either the Library and Museum or at the National Archives' headquarters in Washington, D.C.
Presidential records created in electronic format are subject to the Presidential Records Act. Beginning on January 20, 2014, electronic Presidential records that have not been processed can be requested under the Freedom of Information Act.