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Yeah, that's kinda what I figured. I only thought about it to address a random crashing issue that I can't narrow down.

We run 64bit without any problems. Should probably at least test 32bit one of these days

If we ever migrate to O365, that'll be 64-bit.

I use 64bit for loading massive Word and Excel files

Understand your applications and especially any plugins that are used in the environment.

on 64bit for a couple of years now and working well, of course it depends on your addons zoo

Zero custom add-ons here, just the standard Exchange nonsense.

All depends on requirements

If you do decide to go the 64 bit route in general, test, test, test with actual users. Try to get an inventory/audit, talk to a subset of users. Often people don’t know what random plugins are in use and those aren’t always captured or known of by IT in general

As it's been said, plugins are pretty much key.

I'm going to spend all day tomorrow in a session trying to get it to bomb with ProcMon running. It was crashing even with add-ons disabled.

Microsoft is now recommending 64-bit as the default.

Saw that earlier. I'm building an Office 2016 x64 App Layer to test out right now. The two guys I know seeing this are both in IS, and have been good about using QA images while I work on things.