The Productivity Portfolio blog covers how to email your calendar in Outlook 2007 in a format that anyone—even non-Outlook users—can open. Everyone’s got wacky work and life schedules around the holidays, so you may want to dash off your calendar to a co-worker or client before you go. In short, Outlook attaches an .ISC file to the outgoing email, which the recipient can open in iCal, Google Calendar, or any app that supports iCalendar files. Handy.