I believe these files are the transaction log files for the exchange database. You may delete these files, but I would recommend using a backup software that deletes these files for you. -----Original Message----- From: Emmanuel LUCAS [mailto:elucas@xxxxxxxxxxxxxxxx] Sent: Tuesday, April 16, 2002 7:50 AM To: [ExchangeList] Subject: [exchangelist] [ExchangeList] U01 file http://www.MSExchange.org/ Hi, I have E2K on win2k box. My problem is that I have .U01 files that takes lot of place on my harddisk. I would like to know if it is possible to delete them ? Cordially ------------------------------------------------------ You are currently subscribed to this MSExchange.org Discussion List as: blockhart@xxxxxxxxxxxxxxxxx To unsubscribe send a blank email to $subst('Email.Unsub')