5 months of my transactions did not coem from the bank and when i manually enter them, they are not showing up

A warm welcome and thank you for joining us here in the Community, @Marino2. Be assured, we will do everything to get this matter cleared up as soon as possible. 

You'll want to check around the Banking menu, things like being unable to find the transaction may be stuck somewhere around the Banking menu. Here's how:

1. Go to Bookkeeping, then Transactions, then choose Bank transactions (Take me there).
2. Select the tile for the bank or credit card account you downloaded the transaction.

There are three areas you may check:

• Start in the For review tab. Usually, it's where QuickBooks puts recently downloaded transactions. If you find the missing transaction, categorize it into an account. Transactions don't show up on your books until you categorize them.
• Next, check the Categorized tab. This tells you what happens to transactions you already categorized. Specifically, review the Added or Matched column. This tells you which account you categorized the transaction into. If you find your missing transaction, but it's in the wrong account, follow these steps to unmatch and move it.
• Finally, check the Excluded tab. If you mark a transaction as personal or a duplicate, it goes here. QuickBooks won't add excluded transactions to your accounts. If you want to include it, select Undo from the action column. Then go back to the For Review tab and categorize it into the correct account.

You may refer to this article for steps you can perform to locate your transactions: What to do if you can’t find downloaded transactions in QuickBooks Online.

Also, about your transactions from 5 months and still unable to download them, I suggest reaching out to your bank to check if there is maintenance. You may be able to talk with one of their experts who may provide you with useful information.

You may visit these links to guide you on how to categorize your transactions and reconcile your account flawlessly:

• Manually add transactions to account registers in QuickBooks Online.
• Categorize and match online bank transactions in QuickBooks Online.
• Reconcile an account in QuickBooks Online.

The Community always welcomes you for further inquiries about transactions. Have a great day ahead!