Another in the occasional series where letting it out is better than keeping it in.
Don’t reply all. Please. Ever.
If you CC me into an e-mail I’ll assume it’s for information only and manage it as such.
If you’re out of office, be out of office and don’t start replying to email.
If you’re out of office say when you’ll be back.
If you’re out of office say who’s dealing with stuff, or if no-one is, say so. Yes – OOO is a particular bugbear.
Stop using email if you have other channels that you normally connect with someone. Use the usual.
Email is LITERALLY the last thing I check so don’t be surprised if you get a reply late in the day.
Pick. Up. The. Phone. And. Make. A. Call. It’s both quicker and more personal.