How to convert date to yYYY-MM-DD format in Excel?
Supposing you have a list of dates with mm/dd/yyyy format, and now you want to convert these dates to yyyy-mm-dd format as below screenshot shown. Here I introduce the tricks to quickly convert date to yyyy-mm-dd format in Excel.

Convert date to yyyy-mm-dd format with Format Cells
Excel’s Format Cells function can quickly convert date to yyyy-mm-dd format.
1. Select the dates you want to convert, and right click to display context menu, and select Format Cells from it. See screenshot:
2. Then in the Format Cells dialog, under Number tab, click Custom from the list, and type yyyy-mm-dd into the Type textbox in the right section. See screenshot:
3. Click OK. Now all dates are converted to yyyy-mm-dd format. See screenshot:
Quickly and easily convert date to other date formatting in Excel
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Convert date to yyyy-mm-dd format with formula
In Excel, if you want to convert date to text with yyyy-mm-dd format, you can use formula.
1. Select a blank cell next to your date, for instance. I1, and type this formula =TEXT(G1, "yyyy-mm-dd"), and press Enter key, then drag AutoFill handle over the cells needed this formula.
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Convert date to yyyy-mm-dd format with Kutools for Excel
With Kutools for Excel’s Apply Date Formatting utility, you can quickly convert date to anyone date format as you need.
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After free installing Kutools for Excel, please do as below:
1. Select the dates you want to convert, and click Kutools > Format > Apply Date Formatting. See screenshot:
2. Then in the Apply Date Formatting dialog, you can select the date format you need from the Date formatting list, and preview the result in the Preview pane. To convert to yyyy-mm-dd format, just select 2001-03-14 from the Date formatting list. See screenshot:
3. Click Ok or Apply, and the dates are converted to the format you need. See screenshot:
Convert date to yyyy-mm-dd format
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Supposing you have a date time format data in a cell, and now you need to add a number of days, years, months, hours, minutes, or seconds to this date. Normally, using formula is the first method for all Excel users, but it’s hard to remember all formulas. With Kutools for Excel’s Date & Time Helper utility, you can easily add days, years, months, or hours, minutes or seconds to a date time, moreover, you can caculate the date difference, or the age based on a given birthday without remembering the formula at all. Click for full-featured free trial in 30 days! |
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