How to Add Months to a Date in Excel: Step-by-Step Guide

Adding months to a date in Excel is a breeze once you get the hang of it. All you need is the EDATE function, which stands for “Excel Date.” This nifty tool allows you to add or subtract months from any given date. Quick and easy, right? Let’s dive into the details!

Step by Step Tutorial: How to Add Months to a Date in Excel

Adding months to a date in Excel is a handy skill that can save you time and headaches. With a few simple steps, you can manipulate dates to fit your needs. Whether you’re tracking project deadlines or planning ahead, Excel has got you covered.

Step 1: Open your Excel spreadsheet

Open the Excel spreadsheet where you want to add months to a date.
This step is pretty straightforward. If you’re starting from scratch, simply open Excel and create a new spreadsheet. If you’re working with an existing file, find it on your computer and open it up.

Step 2: Click on the cell where you want the new date to appear

Select the cell in which you want the new, adjusted date to show up.
Think of this cell as your destination. It’s where you’ll see the magic happen. Choose wisely!

Step 3: Type in the EDATE function

In the selected cell, type in “=EDATE(” to begin the function.
You’re now initiating the EDATE function. This is Excel’s way of saying, “Hey, I’m about to do some date math, so pay attention!”

Step 4: Input the original date

After “=EDATE(“, input the cell reference that contains the original date, followed by a comma.
Here, you’re telling Excel which date you’re starting with. Just click on the cell that has the date you want to add months to or type in its address (like A1, B2, etc.).

Step 5: Enter the number of months to add

Now, enter the number of months you want to add to the original date, then close the parentheses.
This is where you decide how far into the future (or the past, if you enter a negative number) you want to go. Add 3 for three months from now, -1 for one month ago, and so on.

Step 6: Press Enter

Once you’ve entered the function, hit the Enter key to execute it.
And voilà! The cell you selected in Step 2 will now display the new date, with the exact number of months added or subtracted as you specified.

After completing these steps, your cell will now display the new date with the added months. This function is dynamic, meaning if you change the original date or the number of months, the new date will update automatically. It’s like having your own time machine, but just for dates.

Tips: How to Add Months to a Date in Excel

  • Always ensure your original date is in a recognized Excel date format for the EDATE function to work correctly.
  • You can add a negative number to subtract months from a date.
  • Remember that adding a month to a date like January 31st might result in a different day number if the resulting month has fewer days.
  • The EDATE function can be combined with other date functions in Excel for more complex date calculations.
  • Use the fill handle to copy the EDATE formula to other cells if you’re working with multiple dates.

Frequently Asked Questions

What if the date format is not recognized by Excel?

If Excel doesn’t recognize your date format, try changing it to a standard format like “mm/dd/yyyy” or “dd/mm/yyyy” through the Format Cells option.

Can I add more than 12 months using the EDATE function?

Absolutely! You can add any number of months, including values greater than 12. Excel will calculate the correct year automatically.

Will the EDATE function account for leap years?

Yes, the EDATE function is leap-year aware and will adjust February dates in leap years accordingly.

Can I use this function to calculate deadlines or due dates?

The EDATE function is perfect for calculating deadlines, due dates, or any other date-related calculations where you need to add or subtract months.

Can the EDATE function subtract months as well?

Indeed, by inputting a negative value for the number of months, you can subtract months from a date just as easily as adding them.


  1. Open your Excel spreadsheet.
  2. Click on the cell for the new date.
  3. Type in the EDATE function.
  4. Input the original date.
  5. Enter the number of months to add.
  6. Press Enter.


Mastering how to add months to a date in Excel is like unlocking a secret superpower. Whether you’re planning for future events, tracking deadlines, or simply organizing your schedule, the EDATE function is your trusty companion. With it, you can leap through time, skipping from month to month with the ease of a seasoned time traveler. Remember to keep your dates in a recognizable format and play around with combining EDATE with other functions for even more possibilities. Embrace the power of Excel and make those dates dance to your tune!

Join Our Free Newsletter

Featured guides and deals

You may opt out at any time. Read our Privacy Policy