?The native content database (STM) or the streaming database holds messages that were submitted by non-MAPI clients (post Exchange 5.5). The file is called a streaming file since data is added to it sequentially in its native format. The data itself inside the STM file is not encoded or encrypted in any way so if a store is dismounted the file can be viewed using a text editor.? More can be read at http://www.msexchange.org/articles/Exchange-Databases-Disk-Consumption.html _____ From: exchangelist-bounce@xxxxxxxxxxxxx [mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of bryan brown Sent: 21 April 2006 15:11 To: exchangelist@xxxxxxxxxxxxx Subject: [ExchangeList] ? on stm size what causes the stm file to be a considerable amount larger then the edb file? and should this be a concern? TIA _____ Blab-away for as little as 1¢/min. Make PC-to-Phone <http://us.rd.yahoo.com/mail_us/taglines/postman2/*http:/us.rd.yahoo.com/evt =39663/*http:/voice.yahoo.com> Calls using Yahoo! Messenger with Voice.