Thank you very much for the information! I've submitted the case to our engineers for further review. If and when they have an update on any of these feature requests and serviceable issues, they'll make sure to notify you directly.
When you initially go to the template selection screen, most of the ones you see right away at the top should be in the standard 3ge. I know most if not all of the "Basic" collection of templates (basic note, basic newsletter, basic letter, basic template, etc.) are still on 3ge, if you need to start an email from scratch. If you're copying templates you previously had built, then it might indicate one of your email templates having originally been a pre-built template that got converted. In the same vein, CPE templates in the template selector can be searched using the terms "cross" or "cross-device."
Another thing to keep in mind is that if your other team members are building emails through the mobile app, then the only editor available is the CPE since that's coded for phone & tablet editing as well as desktop editing. If everyone only uses desktop devices for building their emails, and you only ever copy previously-used templates, then it may be worth calling our general support line to see if they can quickly rebuild the CPE templates in a 3GE setup (not including any blocks only available in CPE).
If you end up exploring CPE any further and have additional issues or feature requests to report, feel free to post them in this thread.
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