I'll help you sort this out, Olya-kotlinska41.
It may be the transactions are filtered to show this year's only. Let's go ahead and change the date.
- Click Transactions.
- Click the date drop-down arrow, select All or Last year.
If these are downloaded transactions, and you've deleted the bank account, the data will be gone. This means that everything will be removed, including the transactions. You can check this article about deleting a bank account in QuickBooks Self-Employed for more information. Cases like this, you can import the transactions using a CSV file.
You can keep in touch if you have other questions. We're around to help you.