thunderbird

Setup Outlook Account 

1) Open the Account Settings

Open Thunderbird and click the gear button at the bottom left (1) to open the Settings tab. In the sidebar, click Account Settings (2).

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2) Add a new mail account

In the Account Settings tab, click + New Account above the account list and choose Mail Account… (3).

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Tip: Give the new account a recognizable name (e.g. «… (Outlook)») so you can tell the two apart.

3) Enter your identity

In the Account Setup tab, fill in:

  1. Your full name — shown to recipients of your e-mails
  2. Your e-mail address (e.g. firstname.lastname@math.uzh.ch)
  3. Your UZH password (check «Remember password»)

Then click Configure manually (4) — do not click «Continue», the automatic detection does not find the correct settings.

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4) Manual configuration

Enter the following server settings:

  Incoming server Outgoing server
Protocol IMAP SMTP
Hostname outlook.office365.com smtp.office365.com
Port 993 587
Connection security SSL/TLS STARTTLS
Authentication method OAuth2 OAuth2
Username your full e-mail address your full e-mail address

Click Re-test and then Done.

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5) Microsoft sign-in

Because the account uses OAuth2, a Microsoft sign-in window opens the first time Thunderbird connects. Sign in with your UZH credentials and confirm the multi-factor authentication (MFA) prompt. After that, Thunderbird stays connected for around 10 days. 

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6) Disable: a) copy to send, b) local storage

Outlook copies automatically each send mail to folder Send items. Disable Thunderbird to do this as well.

At least for thinlinc:  Please disable the local storage - for large mailboxes, this will fill your home directory and gives no real advantage.

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8) Folder

Double folder: Sent / Deleted

If you find folders with different names (Sent Items = Sent, Deleted Items = Trash) , but same meaning, best is to merge them.

Folder subscribe

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Mapping

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Select the right Trash folder (if Deleted items or Gelöschte Elemente exists in selection then use them):

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Shared Account

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Account order (left pane)

Signature

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Quick Folders

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UZH Address Book

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Name UZH-AD
Hostname iduzhz2dc03.d.uzh.ch
Base DN OU=Users,OU=Users UZH,DC=d,DC=uzh,DC=ch

Port number

636
Bind DN uzh\<your shortname>
Use secure connection (SSL) on

Shared Mailbox

Login (also ~every 10 days):  Forgot my password  > Cancel > Select your account > ... login with your personal credentials.

FAQ

Sent Folder: double mails

Some mails are shown doubled in the Sent folder. This might happen with Outlook and GMail. 

Workaround: Disable in Thunderbird to save mails in the Sent folder (Outlook does it automatically on the server side).
Settings > Accounts > <Account> > Copies & Folders  > disable 'Place a copy in:'

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Revision #28
Created 2026-06-30 10:54:25 CEST by admino
Updated 2026-08-30 23:08:18 CEST by Carsten Rose