What to do after filing a tax extension
If you didn’t quite e-file your tax return by the April 15 tax filing deadline on Tax Day, filing for a tax extension request was a smart move.
Thankfully, the Internal Revenue Service (IRS) makes it easy for taxpayers to file Form 4868, Application for Automatic Extension of Time to File, giving you another six months to file. It’s almost too easy to get an extension. The new extended due date of Oct. 15, 2025, may seem far away, but it will be here before you know it. The new Oct. 15, 2025, extended due date may seem far away, but be cautious — it will likely be here before you know it.
In the meantime, here are a few tips to help you keep your tax return on track.
Complete as much of your return as you can after filing a tax extension.
If you haven’t already, prepare as much of your individual income tax return as you can now while the information is still fresh in your mind. Complete what you can – TaxAct(r), saves your return, so you can continue where you left off. You can use our tax calculator to determine your tax due amount.
- Mark your estimated tax amounts so you remember to update them later.
- Keep a list or notebook of the tax items and questions that you still need. Use a checklist to assist you!
- Note how you arrived at certain amounts, like the square footage of your office or the number of days you spent in a vacation rental that you own.
Keep this information with your tax return. That way, if the IRS ever questions anything on your return, your notes can help explain where you got your information.
Keep your tax documents organized after filing an extension.
- Before you file your tax documents, take a few minutes to arrange them so they’re easy to find later.
- Make notes on credit card statements and receipts as necessary.
- Place check marks on tax documents to indicate the information you already entered on your tax return.
A little preparation now will save you from starting all over when you get back to working on your return.
Finish filing as soon as possible.
- Trust us, you’ll enjoy summer vacation a lot more if you know you already e-filed your tax return. This is true especially if you are worried about the amount of tax you will owe. Do the best you can, and then file.
- It will not get easier as time passes to remember deductions or other information. If you find something important later, you can always file an
- amended tax return
.
The bottom line
Now that you have some extra time with your income tax extension, use it wisely to stay on track and make the filing process smoother. If you find something important later, you can always file an
amended tax return.The bottom lineNow that you’ve got some extra time with your income tax extension, use it wisely to stay on track and make the filing process smoother. Stay organized and update your tax estimates as you progress. The more you get done now, the less stress you’ll face as the Oct. 15 deadline approaches.

