On 2011-01-11, at 10:32 AM, Doug Bale wrote: > Is there any way to have Time Machine save at longer intervals? The default > is for hourly backups, and they not only take forever but they slow my iBook > down to a crawl. I'd like to reset it to save once every six hours or so, or > even once overnight. Most of the individual apps I use include auto-save > anyway. I don't see anything in Preferences to alter the timing. I haven't tried it but google(change time machine schedule) suggests: This article which gives you some commands to type: http://www.markwheadon.com/blog/2009/03/changing-time-machine-backup-schedule/ This app which gives you a nice gui to poke at: http://www.klieme.com/TimeMachineScheduler.html dave--- Manage your account options at //www.freelists.org/list/muglo