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How to generate random strings in Excel?

In one of the previous blog posts , we demonstrated how you can use the function RANDBETWEEN in Microsoft Excel to generate random number in Excel. In this blog post, let’s have a look at generating random strings in Excel.

How to generate random strings in Excel ?

You can use the combination of the CHAR function and the RANDBETWEEN function to generate the random letter. For example  =CHAR(RANDBETWEEN(65,90)) would generate the random character. The values 65 and 90 represent the ASCII values for the letters A and Z respectively.

Incase you need a string with 3 characters , the formula would be like this.

=CHAR(RANDBETWEEN(65,90))& CHAR(RANDBETWEEN(65,90)) & CHAR(RANDBETWEEN(65,90))

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Senthil Kumar B
Senthil Kumar is a former Microsoft MVP (Most Valuable Professional). He is a Co-Author of the book "Windows 10 Development Recipes using JavaScript and CSS" for Apress Publication. He is a technical presenter, blogger, mentor and a Geek.  Senthil is a regular speaker is various local user groups. He has presented at conferences like Great Indian Developer Summit (GIDS) & Microsoft DevCamps. You can reach out to him via his Twitter handle @isenthil.