26. A computerized search system, comprising: at least one processor configured to generate for display: a single search interface configured for display on a display device, the single search interface comprising at least: an email search interface having at least a first email-specific attribute search field selected from the group comprising a date field, a from field, and a sender field; and a file search interface having at least a first file-specific attribute search field selected from the group comprising a file name field, a file type field, a date field, a file size field, and a path field; a Web history search interface having Web page-specific attribute search fields, including one or more of a date field, a title field, a size field, and a search term field; an email attachment search interface having email attachment-specific attribute search fields including one or more of a name field, a date field, a size field, and an extension field; a favorites search interface used to search Web pages designated by a user as favorite Web pages; at least one index comprising data regarding emails and files; one or more memories configured to store the at least one index; and an apparatus configured to access the at least one index in order to perform incremental searching of the emails and files as the user enters characters into at least one of the email-specific search fields and the file-specific search fields, wherein the processor executes the apparatus.
26. A computerized search system, comprising: at least one processor configured to generate for display: a single search interface configured for display on a display device, the single search interface comprising at least: an email search interface having at least a first email-specific attribute search field selected from the group comprising a date field, a from field, and a sender field; and a file search interface having at least a first file-specific attribute search field selected from the group comprising a file name field, a file type field, a date field, a file size field, and a path field; a Web history search interface having Web page-specific attribute search fields, including one or more of a date field, a title field, a size field, and a search term field; an email attachment search interface having email attachment-specific attribute search fields including one or more of a name field, a date field, a size field, and an extension field; a favorites search interface used to search Web pages designated by a user as favorite Web pages; at least one index comprising data regarding emails and files; one or more memories configured to store the at least one index; and an apparatus configured to access the at least one index in order to perform incremental searching of the emails and files as the user enters characters into at least one of the email-specific search fields and the file-specific search fields, wherein the processor executes the apparatus. 41. The computerized search system as defined in claim 26 , further comprising an index including information corresponding to: the email-specific attribute search fields; the file-specific attribute search fields; and the Web-specific attribute search fields.