The Batch Script will allow you to bulk create G Suite users that are located in the "BAT-CreateUsers.csv" file.
You will need to add the below information to the CSV:
When creating the CSV in Google Sheets or Microsoft Excel I like to use the formula below to create the passwords, which will generate passwods such as "ZY24WK48"
=CHAR(RANDBETWEEN(65,90))&CHAR(RANDBETWEEN(65,90))&RANDBETWEEN(10,99)&CHAR(RANDBETWEEN(65,90))&CHAR(RANDBETWEEN(65,90))&RANDBETWEEN(10,99)
@ECHO OFF
CLS
ECHO --------------------------------------------------
ECHO Creating user(s) from the file BAT-CreateUsers.csv
ECHO --------------------------------------------------
gam csv BAT-CreateUsers.csv gam create user ~Email firstname ~FirstName lastname ~LastName password ~Password
:END
ECHO -----------------------------------------------------------
ECHO Finished creating user(s) from the file BAT-CreateUsers.csv
ECHO -----------------------------------------------------------
Pause