Close all office programs (outlook, word, excel, powerpoint).
Click Start
Type CMD
Command Prompt should be selected
Click Run as Administrator
Copy and paste this command:
“C:\Program Files\Common Files\microsoft shared\ClickToRun\officec2rclient.exe” /update user updatetoversion=16.0.13901.20462
Press enter.
Wait for office to install previous version.
When you see the Updates were installed screen you are good to go
Terminal:
defaults write com.microsoft.Outlook DisablePreviewForSMIME 1
killall cfprefsd
Outlook
People
Right-click on contact group
Properties
Outlook Address Book
Tick “Show this folder as an e-mail Address Book”
New Method 2020
Powershell
First time install:
Install-Module ExchangeOnlineManagement
Commands:
Connect-ExchangeOnline
Set-RemoteDomain Default -TNEFEnabled $false
Check with:
get-remotedomain |fl
Uninstall dodgy Microsoft Update KB3114409
Uninstall faulty microsoft update: KB3097877
Source: Microsoft
Install update kb2553248 for Outlook 2010:
https://support.microsoft.com/en-us/kb/2553248
Alternatively install service pack 2 for Office 2010:
Create user as per usual, then:
1. Create new security group
2. Add user to security group
3. Group Policy Management: Create new Group Policy Object linked at root of domain
4. Right Click and choose edit.
Navigate to: Computer Configuration > Policies > Windows Settings > Security Settings > Local Policies > User Rights Assignment
5. Double-click “Deny log on locally”
6. Click “Add User or Group” and add the group you created in step 1. Apply.
7. Wait for Group Policy synchronisation or gpupdate /force on computers.
Source: ServerFault
Exchange Management Shell:
Add-ADPermission “John Simpson” -User “Domain\User” -Extendedrights “Send As”
Source: Technet