I can't remember if I filed as an S corp or left it as a C corp. Is there somewhere I can look that up?

Here are some ways  to check your business' filing status using TurboTax or your IRS account, along with additional methods:

Using TurboTax:

1. Log in to TurboTax: Open TurboTax and sign in to your account.
2. Review Previous Returns: Check your previous tax returns. If you filed Form 1120S, your business is an S corp. If you filed Form 1120, it's a C corp. Access Prior Year Return

Using Your IRS Account:

1. Log in to IRS Online Account: Go to the IRS website and sign in to your business tax account.
2. View Business Information: Navigate to your business information section to see your filing status.

Additional Methods:

• Contact the IRS: Call the IRS Business & Specialty Tax Line. Click here for  phone number. 
• Annual Report Filing: Your annual report filed with your state's Secretary of State will also provide information on your corporation type.