Good passwords tend to have at least eight characters and are a mix of uppercase letters, lowercase letters, numbers, and symbols. While these symbols can be typed with a special combination of keystrokes, it isn’t likely that someone will want to remember how to type each of these characters. However, if the purpose is to create a password that someone may have to type on their keyboard, you want to keep it simple and avoid symbols like ¶, Œ, or ©. *Note: the CHAR() formula in Excel will generate a lot of other symbols as well. This will randomly generate one of the following symbols: !”#$%&'()*+,-./ Generate Random Symbol String =CHAR(RANDBETWEEN(33,47)) This will randomly display a letter between a-z. Generate Random Lowercase Letter String =CHAR(RANDBETWEEN(97,122)) This will randomly display a letter between A-Z. Generate Random Uppercase Letter String =CHAR(RANDBETWEEN(65,90)) This will randomly display a number between 0 and 9 each time the page is refreshed. To generate a random number string in Excel, simply use a formula like this: =RANDBETWEEN(0,9) Excel has this functionality built in to help generate random character strings. In order to generate random character strings in Excel, you need to be able to generate random numbers, upper and lowercase letters, and special symbols. How to Generate Random Character String in Excel I didn’t want to be lazy and assign everyone the same password, or even an easily guessed sequential password, so I used the tip below to generate random character strings in Excel to give each user a unique and random password. I was given the email address usernames but needed to create the passwords for each account. Recently I needed to help a company set up email accounts for all of their employees on a new server. You may find yourself faced with a need to generate random character strings for various reasons.
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