We will need to manually upload them into QuickBooks Self-Employed (QBSE) to import the missing transactions, Neila.
Before we proceed, could you please tell me which bank you are using? This information will help us identify any specific issues related to your bank.
When importing transactions into QuickBooks Self-Employed (QBSE), it typically imports only the most recent transactions. As mandated by the Open Banking standard regulations, failure to reconnect your bank within 90 days can result in missing transactions.
Please ensure to regularly reconnect your bank account promptly every 90 days to avoid any gaps.
To ensure that the missing 2 months' transactions are imported in the Transaction page, we can manually import them.
Here's how:
1. Click the Import Transaction option under the Gear icon.

2. Choose the Import older transactions for the account you want to add transactions to.

3. Choose Browse and locate the file.

4. Select the file and pick the Open button to start the import.
5. Review the column headers and data. Choose Continue to complete the import.
Visit this page for detailed instructions on setting up a bank import for older transactions. Manually import transactions into QuickBooks Self-Employed.
I have included this article to assist you in keeping accurate and organized financial records.: Categorize transactions in QuickBooks Self-Employed.
If you have any additional questions, please don't hesitate to reply.