Apple Mail.app Tip

I found this tip on a blog last night but cannot find the blog posting to reference. Anyway, I use Apple Mail.app for my e-mail and often send files to Windows users. I always check the box about sending Windows friendly attachments, which seems like you should be able to turn this on or off in preferences, but it's not there. However, you can turn this option on by going to the Edit menu, selecting Attachments and then Always Send Windows Friendly Attachments as shown.