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Home >> SDSUid vs. RedID
sdsuid email vs redid account #

With multiple IDs at SDSU, it can be confusing to know which is which.


SDSUid is an online account that looks like an email address, aka "". Activate your account at

  • Log into eduroam (WiFi), a safe, secure and encrypted network
  • Log into library workstations
  • Log into OneSearch where you can look for books and articles
  • Access Microsoft Office 365 and email
  • Access library resources from off campus 


RedID is a physical ID card with your picture on it and a nine digit number beginning with 8.

  • Log into SDSU Wireless (WiFi), an unencrypted and unsecure network
  • Add money to it for printing
  • Use it to check out library books