Default Email Account – Outlook 2016

1. Open your Microsoft Outlook account.
2. Go to File.
3. Click on Options.
4. Click on Mail.
5. Make sure that Always us the default account when composing new messages is checked.

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Outlook 2016

Issue: Outlook 2016 (which I am testing) cannot connect to Office 365 Exchange.

It is no longer possible to manually enter Exchange Server details. A valid Autodiscovery record is required. Use this site to find out which autodiscovery mechanism you are using.

• https://testconnectivity.microsoft.com/

Verifies that we do have a valid autodiscovery record and that we use the HTTP Redirect method. It also shows that Outlook tries several other autodiscovery methods before the correct (for my organisation) HTTP redirect method.

Solution

What is actually happening is that Outlook 2016 on the PC is hanging when performing the HTTPsAutoDiscoverDomain method. We can force it to use the correct method by the following registry entries.

• http://www.slipstick.com/outlook/exchange-account-set-up-missing-in-outlook-2016/

If Outlook is slow finding the autodiscover records, you may need to tell Outlook to exclude the root domain or other records.

HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\AutoDiscover\
DWORD: ExcludeHttpsRootDomain
Value: 1

The other records you can exclude, also under the Autodiscover key are as follows. Use a value of 1 to enable, delete the key if you no longer want to exclude these checks.

DWORD: ExcludeScpLookup
DWORD: ExcludeHttpsAutoDiscoverDomain
DWORD: ExcludeHttpRedirect //I DON’T EXCLUDE THIS ONE BECAUSE I USE IT
DWORD: ExcludeSrvRecord

Rename UPN – O365 Powershell

Login to Windows Azure Active Directory Module for Windows PowerShell with Office 365 administrator credentials and run the following command:

Set-MsolUserPrincipalName -UserPrincipalName mary.osgood@contoso.onmicrosoft.com -NewUserPrincipalName mary.smith@contoso.com

Duplicate Users in Office365

 

Both saying synced with AD however only one account exists

I’ve had to manually delete users from O365 during a DirSync deployment. Use PowerShell on the server running DirSync to run these commands:

Import-Module MSOnline

Connect-MsolService  [Enter your Office 365 admin credentials when prompted]

remove-msoluser –userprincipalname UID@UPN.com

If the account is in Deleted Users in Office 365, append the last command with -RemoveFromRecyclebin

Removing Inactive Domain Users from Global Address List – Azure AD SYNC

Generally speaking, we can use “Hide from Exchange Address lists” to achieve it.
You can hide the account from the Global Address List in Office 365 by setting the msExchHideFromAddressLists attribute for the object to “true” in their on-premises Active Directory. The prerequisite is that on-premises AD schema is extended for Exchange. You can open the Properties of this accout, and then locate the Attribute Editor tab to check this attribute.

Please refer to this article to see the attributes that are synced from local AD to Windows Azure Active Directory: http://social.technet.microsoft.com/wiki/contents/articles/19901.dirsync-list-of-attributes-that-are-synced-by-the-azure-active-directory-sync-tool.aspx

You can see the attribute msExchHideFromAddressLists is listed on the table.
After that, please force DirSync to update the change, and then wait a little time

Office 365 Calendar sharing – share to a group of people within organisation

Good discussion about sharing calendars with distribution groups and why it doesnt work!

https://community.spiceworks.com/topic/1747210-office-365-calendar-sharing-share-to-a-group-of-people-within-organisation

 

Add PST to Office365

https://support.office.com/en-us/article/Use-network-upload-to-import-PST-files-to-Office-365-103f940c-0468-4e1a-b527-cc8ad13a5ea6