You can still file, even though the April 18 deadline has passed.

Various options help you pay and minimize interest and penalties.

Want to check the status of your refund? Use this interactive feature.

What do you need to know after you've filed? Find out here.

Too much or too little withheld from your paycheck? Check your W-4.

You can order a transcript for free or an exact copy for a fee.

New steps help struggling taxpayers pay back taxes, avoid tax liens.

We have information to help those facing financial difficulties.

Having financial problems? Here are answers to a few tough questions.

Now you can use smartphones to check on tax refunds, get information.

Follow us on Twitter, watch our YouTube videos, listen to podcasts.

File, pay, figure your withholding and more using interactive tools.

Those hiding assets offshore have through Aug. 31, 2011 to come forth.

Information on voluntary disclosure for taxpayers and preparers.

Answers to issues related to offshore voluntary disclosure.