Are you logged on? (as administrator)
You cannot log on as some one else, and delete someone else.
If that was possible I could log onto my account on your computer, then delete you.
His account may be THE computer admin account on that computer. (Very likely if he was the only user)
Create a new user and log in as the new user.
Use Thunderbird instead and start over
Do a search in Windows explorer for a file named contacts.pst. When you find it, rename it contacts-old.pst
If it’s at work, most places have IT dept-s specifically to help employees and fix problems.
I have no idea how to help you fix your problem, other than my above suggestion.
Sounds ridiculous on the surface, just wipe it and start over. Now telling what that dildo left on there.
What about opening the address book then deleting the contacts? With address book open, right click on each entry to delete......
Delete the .pst file and set outlook up again. Easy fix
You should be able to create a new outlook contacts file.
Are you using Office 365 (basically office online) or a PC based version of office? I doubt it since it is only 5 people.
Do not delete you contacts file, but you can change the name to something else and Outlook should automatically create a new, empty contacts file the next time you log on.
That file should allow you to create your own contacts.
How do I delete old email addresses in Windows 10?
How to remove emails and accounts using Settings:
Open Settings.
Click on Accounts.
Click on Email & accounts.
Select the account that you’re planning to remove.
Click the Manage button.
Click the Delete account from this device option.
Click the Delete button.
Click the Done button.
OOPS I did not read carefully enough.
If this is a work computer then create a new user on the computer itself. You may not WANT to delete him or his contacts- who knows if there is anything important?
When you log onto the computer itself as a different user then you will have fresh everything (you will have to re-install software that may not have been installed for ALL USRS)
This is unless he has programs and DATA you will need tpo continue to use
Doesn’t your place have someone to ask these questions to? Sounds to me as an installation issue, not something we could help you with.
“but the ‘DELETE’ function is grayed out”
Sounds like you need to add administrator privileges to your account.
If it’s your computer and not the company’s use the widows 10 fresh install feature but you may lose software installing by the other person
Contacts are usually associated with the email account itself, so if you are seeing his contacts, are you using his old email account?
You might need to go to Mail setup under Control Panel and then remove his account and add your own.
go back to windows 7
Outlook Email may have smtp connection with a remote contact list, Then you would need to delete the mail server connection outlook.
Thunderbird is much like Outlook and much more secure anyway.