Syncing G-Mail Storage folders across devices using Apple Mail

Hello butlerbank and welcome to Apple Support Communities.

We understand you're having some difficulties with your emails syncing into the correct folders and we'd be happy to help assist. Can you tell us if you notice this same behavior when moving emails on Gmail.com rather than using the Mail app? Also to clarify, when you move emails to the correct storage folders using your other devices do they properly save or do you notice this happening across all your devices?

Rather than using the drag and drop method to move your emails, let's have you try the second option to move your emails to another folder and see if they properly save. You can see the steps for that process in the first section of the article below.

Move or copy emails in Mail on Mac

Let us know if this helps.

That's good to hear, butlerbank.

Happy we were able to help. Take care!