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How to quickly convert mm/dd/yyyy date format to yyyymmdd in Excel?

In Excel working, you might converted the date in yyyymmdd format to standard date format mm/dd/yyyy before, but have you ever tried to convert the date format mm/dd/yyyy back to the date string yyyymmdd as below screenshot shown? In this article, I will introduce the tricks on converting mm/dd/yyyy date format to yyyymmdd.
doc convert to yyyymmdd 1

Convert mm/dd/yyyy to yyyymmdd with Format Cells

Convert mm/dd/yyyy to yyyymmdd with formula

arrow blue right bubble Convert mm/dd/yyyy to yyyymmdd with Format Cells

To convert date format as you need, the Format Cells feature must be the first choice.

1. Select the dates you want to convert to yyyymmdd, and right click to show context menu, and choose Format Cells. See screenshot:
doc convert to yyyymmdd 2

2. In the Format Cells dialog, under Number tab, select Custom from Category list, and type yyyymmdd into the textbox of Type in right section. See screenshot:
doc convert to yyyymmdd 3

3. Click OK. Now the dates have been converted to date string. See screenshot:
doc convert to yyyymmdd 4

Note: When you copy and paste the date strings to other location, they will be changed to 5-digits strings. See screenshot:
doc convert to yyyymmdd 5

arrow blue right bubble Convert mm/dd/yyyy to yyyymmdd with formula

You also can use a formula to convert the date forma mm/dd/yyyy to a string yyyymmdd as text.

Select a blank cell that you want to place the converted date string, and type this formula =TEXT(A1,"yyyymmdd"), drag auto fill handle down to apply this formula to cells. See screenshot:
doc convert to yyyymmdd 6

In the formula, A1 is the date you use to convert, you can change it to meet your actual need.

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Comments (5)
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thank you ! :)
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useful! thank you!
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Hmm. How do we add a break to the new date eg. 11/05/2016 to 2016-11-05?
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Hi, Curious, if you just want to convert mm/dd/yyyy to yyyy-mm-dd, select the dates, and press Ctrl + 1 to enable the Format Cells dialog, and choose the date format yyyy-mm-dd. See screenshot:
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