How to change date input format Excel

January 1, 2018 at 19:40:28
Specs: Macintosh
Want to enter dates as dd mm but excel recognises as mm dd. Can change display formats OK, but this is input format. Thanks.

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January 1, 2018 at 21:35:06
To change the input format you will need to change the language and region settings of the
operating system and I do not know where they are on a Mac.

Just be aware that by changing the system date settings,
it will affect all of the other programs you have running on your machine,
which could lead to unforeseen problems.


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January 1, 2018 at 23:15:53
Thanks Mike,
but I already checked this -and they are correct, i.e., different to the way excel takes the input. They are at System Preference/ Language & Region/Advanced/Date and is set to dd-mmm. There seems to be some problem with excel reading that info... Got me stumped. but thanks for your input.

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January 2, 2018 at 10:14:41

Just to make sure we are on the same page, when you enter:


You want January 6th, 
You do not want, June 1st, correct?

Are you in the US or Europe/England?
The MM/DD/YY is the usual American entry style
while the DD/MM/YY is the usual European style.

Make sure you changed all the system dates.
On Windows there is a Long Date & a Short Date.

You could also try a Repair, or just do an Uninstall & Reinstall.


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January 2, 2018 at 15:39:53
Thanks again Mike,
You are correct - I want Jan 6, not June 1.
I am in Australia, and we use DD/MM/YY. I have changed all the system dates that I can find - or rather, checked them; none needed to be changed.
There is a long & short date option on Mac as well, in fact you can set anything you can think of.
I think the realisation is coming that it's an uninstall and reinstall, as you suggest.
Thanks again for your input.

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