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Excel Guides

There are a few ways to generate random strings of characters in Excel. One way is to use the RANDBETWEEN function. This function takes two arguments, a bottom and top number, and returns a random number between those two numbers. So, if we wanted to generate a random string of characters that was five characters long, we could use the following formula:

`=RANDBETWEEN(0,9)&RANDBETWEEN(0,9)&RANDBETWEEN(0,9)&RANDBETWEEN(0,9)&RANDBETWEEN(0,9)`

This would give us a string of five random numbers. If we wanted letters instead of numbers, we could use the CHAR function. The CHAR function takes a number and returns the character that corresponds to that number. So, if we wanted to generate a random string of letters that was five characters long, we could use the following formula:

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

This would give us a string of five random uppercase letters. If we wanted lowercase letters instead of uppercase letters, we could use the following formula:

`=CHAR(RANDBETWEEN(97,122))&CHAR(RANDBETWEEN(97,122))&CHAR(RANDBETWEEN(97,122))&CHAR(RANDBETWEEN(97,122))&CHAR(RANDBETWEEN(97,122))`

If we wanted a mix of upper and lower case letters, we could use the following formula:

`=CHAR((ROUNDUP((ROW()-1)/26)+64)*SIGN((MOD((ROW()-1),26)-13)))&CHAR((MOD((ROW()-1),26)+65)*SIGN((MOD((ROW()-1),26)-13)))`

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