On computers and mobile devices, file extensions are the suffixes that apps append to filenames. When you see an item like "document.docx" for example, the .docx extension tells the computer and ...

(Michael Bocchieri/Getty Images) "Taxpayers who need more time to complete their taxes can file for an extension electronically or by mail by submitting Form 4868 with the IRS. A tax pro can also ...

Meanwhile, those who file online or through tax software must transmit on or before midnight on April 15 to avoid IRS penalties. Tax filing extensions are often reserved for those who have ...

You can always a file a free tax extension with the IRS, which will give you another six months to complete the job. There's no cost or penalty for filing an tax extension, and most tax software ...

Taxpayers can request a six-month extension to file their return, but payment is still due by the original deadline. Penalties apply for filing late or not paying taxes owed. Tick, tick tick.