Other Questions

Prepare your JE data

RefNumber	TxnDate	PrivateNote	IsAdjustment	Currency	ExchangeRate	Account	LineAmount	LineDesc	Entity	Class	Location
101	01/10/2020	Wire Transfer	FALSE			Savings	-50.00	Credit Savings
101	01/10/2020	Wire Transfer	FALSE			Checking	50.00	Debit Checking
102	01/10/2020	Wire Transfer	FALSE			Savings	200.00	Debit Savings
102	01/10/2020	Wire Transfer	FALSE			Checking	-200.00	Credit Checking

then utilize an importer tool to proceed.

https://get.transactionpro.com/qbo

As an additional option, use a backup restore app if required.

https://partnerwithus.rewind.com/quickbooks