Free ToolsGround Merge PST Tool to combine PST files of every size. All editions Outlook PST file is supported by the utility. Safe & 100% accurate way to join multiple PST files without disturbing meta properties and content.
GainTools PST to MBOX converter exports emails, from Outlook PST files into MBOX file format for importing emails in Mac mail, Apple mail, Windows live mail, entourage, Evolution, opera mail, Thunderbird and more.
KDETools PST merge tool can add multiple PST file into a new or existing Outlook data file (PST). PST file merger provides an option to merge all PST items, merge only calendars, merge only emails, merge only contact items into a new Outlook PST.