Can I increase my withholding for 2024?

[margotettl]

 can I change my w4 ?

[MinhT1]

Yes, you can change your W-4 form and submit it to your employer at any time.

If you wish to increase your tax withholding, you can opt for an additional withholding each pay period by filling in an amount in step 4 (c) of the form.

[DoninGA]

You can complete a give your employer a W-4 at any time during the year.  Multiple times if you wish.

Using the TurboTax online editions -

Click on Federal on the left side of the online program screen

Click on Other Tax Situations

Under Other Tax Forms

On Form W-4 and estimated taxes, click on the start button