How to increment date by 1 month, 1 year or 7 days in Excel?

The Autofill handle is convenient while filling dates in ascending or descending order in Excel. But in default, the dates are increased by one day, how can you increment date by 1month, 1 year or 7 days as below screenshot shown?

Increment date by month/year/7days with Fill Series utility

Add months/years/days to date with formula

Add months/years/days to date with Kutools for Excel

Increment date by month/year/7days with Fill Series utility

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With the Fill Series utility, you can increment date by 1 month, 1 year or a week.

1. Select a blank cell and type the starting date.

2. Select a range including starting date, and click Home > Fill > Series. See screenshot:

3. In the Series dialog, do the following options.

1)Sepcify the filling range by rows or columns

2)Check Date in Type section

3)Choose the filling unit

4)Specify the increment value

4. Click OK. And then the selection have been filled date by month, years or days.

Add months/years/days to date with formula

If you want to add months, years or days to a date or dates, you can apply a simple formula.

Select a blank cell next to the date you use, type this formula =DATE(YEAR(A1),MONTH(A1)+1,DAY(A1)) and then press Enter key, drag fill handle over the cells you need to use this formula. See screenshot:

Tip:

In the formula, A1 is the date you use, if you want to add 1 year to the date, just use =DATE(YEAR(A1)+1,MONTH(A1),DAY(A1)), if you want to add 7 days to the date, use this formula =DATE(YEAR(A1),MONTH(A1),DAY(A1)+7).

Add months/years/days to date with Kutools for Excel

With Kutools for Excel, you can quickly add months, years or weeks or days to date.

After installing Kutools for Excel, please do as below:（Free Download Kutools for Excel Now!)

1. Select a blank cell which will place the result, click Kutools > Formula Helper, then select one utility as you need from the list. See screenshot:

2. Supposing you have selected Add years to date, then select the date you want to add year to the Date Time box, type the number of year you want to add into Number box. See screenshot:

3. Click OK. And drag the fill handle over the cells you want to use this formula. See screenshot:

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