A file extension, or file name extension, is the letters immediately shown after the last period in a file name. For example, the file extension.txt has an extension of .txt. This extension allows the ...

Tax season 2026 opened on Monday, Jan. 26, and some filers already know they'll need an extension to file. Here's how to get a tax-filing extension.

For most taxpayers, the federal tax deadline is April 15. It's possible to push that due date to Oct. 15 by filing for an extension. But you still must pay your taxes by the original due date to avoid ...

So you know, absolutely know, there's no way you're going to make the April 15 income tax filing deadline. What do you do now? How do you file for an extension? Fortunately, filing for a six-month ...

If you can't submit your tax return by April 15 and owe taxes, apply for an extension to avoid expensive penalties. It's important to file on time, even if you can't pay what you owe; you can work out ...