System AdminOutlook Express Error : 0x800CCC16 INVALID ACCOUNT – User account not recognised February 8, 2009March 3, 2021 - by Shaunak Sontakke Check the spelling of the account name and re-enter the password taking care to spell it correctly. Share this:Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on WhatsApp (Opens in new window)
