Open .dat attachments on Mac OS

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Occasionally in Mac OS, I’ll get an e-mail with a .dat file extension. .dat is pretty generic, but typically this is from an older Microsoft e-mail program bundling the message and one or more attachments into the .dat. The Microsoft program knows what’s there, but the Mac doesn’t.

In the event I receive a .dat file, I fire up TNEF’s Enough, a freeware application from JoshJacob.com

Save the .dat file out of the e-mail, then drag and drop it on top of TNEF’s Enough. This great little utility makes extracting attachments from .dat files quick and easy.