Transferring to new login

My Mac air 2019 with Sonoma 14.6.1 continually freezes up. I am not sure if it is hardware or error in the OS or the combination of software plus add-ons. I get lost in what I've done and not done and spend lots of time rebooting and finding what I was working on. Some things take forever, and my stress levels go through the roof. And my docs want me to reduce stress!

I've been told to create a new admin id to try to figure where the problem may be. I did so and have had no problems for a few hours. So that leads me to think I don't need to reinstall the OS. The problems are either in the software I use, settings or add ons.

In the past, I've created the new id and logged in. But I can't do much other than surf the internet. And since that doesn't mimic what I usually do, I am not sure I'm getting a valid read.

I can't really do much with this id. All my data files use the other id, as well as the software programs I need. What's the best way to transfer programs over one-at-a-time with the data, so I can work with it on this id.

When I'm using the computer, I will use Firefox. Mail (outlook + gmail), OneNote, Word, Excel, 1Password, Calendar, Messages, Photos, Zoom, and Contacts. I've got a bunch of Firefox add-ons, and switch them in and out as needed. I use other things now and then, but the above are most common. It's not uncommon for me to have 10 windows open in firefox.

This problem has gone on for multiple years and is getting worse. The computer freezes up. I can't move between programs. I can't use force-quit. The only thing I can do is press the on switch to reboot. And I'm sure that's messing up a lot of files.

`

So, how can I "transfer" programs and data from one userid to the other? Or is there a way to access them more easily?

Thanks.