Hi,new to QuickBooks,I am having troubles manually entering expenses.Whenever I save and close the system adds a new transaction that includes all the previous.

Hi there, mark-spaldo-gmai.

It seems to me like this is a duplicate post. My colleague has shared some troubleshooting steps to help fix your issue. You may refer to this link: https://quickbooks.intuit.com/learn-support/en-us/banking/hi-new-to-quickbooks-i-am-having-troubles-manually-entering/01/1205824#M92339

Feel free to reach out to us again if you need more help managing your account. Have a good one!