Is there a process to move transactions from on general ledger account to another? Or can I edit the old number to the new GL number?

Are you sure you want to remove the historical data that goes to the old GL#. You can just make that Acct Inactive and then just create a new one with the new number.

But if changing the Acct# is what works best for you...

Go into your Chart of Accounts and in the Drop Down menu at the end of the Acct line pick Edit.  You can modify all of the Acct info there.  You may want to make a note of the old Acct# just for future reference.

I do not want to lose the history of the account.  I was hoping there was a way to transfer/merge the activity in the old account into the new account.

Sorry...   I  realize I wasn't clear.  You will NOT loose any transactions.

My question was do you not just want to keep the old Acct with the old Acct# for reference.  If so, then just create a new Acct and make the original one Inactive (once the data is old enough that it is just historical data).  This way you would have two Accounts for say Rent.  Once Acct would have the Orig# and at some point when that data is Historical, you make it Inactive.  The second Rent Acct would have the new number and you would use it going forward.  (Or pending how many entries, you may go move all of 2022 into this new Acct and the old/orig one stops 12/31/21.

By editing the Account you're just changing the Acct#, but all of the existing transactions remain.  But now the new and the old transactions are under the new Acct#.  Which I think is what you were asking to do.