Office 365 is a Microsoft hosted messaging solution that delivers the capabilities of Microsoft Outlook as a cloud-based service. This means your email services and data will be located in data centers owned and managed by Microsoft. It gives users a rich and familiar access to email, calendar and contacts allowing access by PC’s, Mac, the web and mobile devices. By utilizing this service, it removes NUS operational burden for an on-premises hosted email service.

You can access your Office 365 email via http://outlook.com/nus.edu.sg.

Good news, your mailbox size is now unlimited.

• Log in to your Office 365 account with Office 365 OWA.
• Click gear icon at the top-right corner of OWA window.
• Select Mail under Your app settings.
• Select My account under General. The mailbox usage of your mailbox will be shown

NUS LargeMail for email archival will no longer be required after the migration – no need for storing or restoring of your emails via the Enterprise Vault.

If you use Outlook, reconfiguration is not required. All you have to do is to restart your Outlook client. You must be using Outlook 2010, 2013 and 2016 for Windows, or Outlook 2011 and 2016 for Mac. Older versions will not work.

Do not worry, your friendly mail address will not be affected.

Your email redirection will continue to work after migration.

Follow the steps below:

1. 1. Log in to your account.
   2. Click the Mail tile.
      
   3. In the top right corner, click the gear icon (Settings).
   4. Under Your app settings, click Mail.
      
   5. In the left pane, under Options, click Accounts to expand the list, and select Forwarding.
      
      Important: If you don’t see the Forwarding option under Accounts, your account may not support email forwarding. Contact your email administrator.

1. 1. Select Start forwarding.
   2. Under Forward my email to:, enter the email address that you want your incoming Office 365 email to be forwarded. Check the Keep a copy of forwarded messages box to keep copies of your incoming email.
   3. Click Save, at the top of the screen.

Please refer to the below articles:

1. https://support.office.com/en-us/article/Block-or-allow-junk-email-settings-48c9f6f7-2309-4f95-9a4d-de987e880e46
2. https://support.office.com/en-us/article/Block-email-spam-with-the-Office-365-spam-filter-to-prevent-false-negative-issues-da21c0b6-e8f0-4cc8-af2e-5029a9433d59

No, The email sending and receiving size will remain at 25MB.

You can send to a maximum of 500 recipients.

Yes, Secure mail will work on windows outlook client.

No, Outlook rules will not be affected.

Everything in mailbox including email, calendar, contact and task.

No, Conversation history would not be affected.

Refer to the eguides for “Uploading photo Office365 Guide”

Yes, you can still share your outlook calendar and mailbox to others.

For instruction please read https://support.office.com/en-us/article/Share-an-Outlook-calendar-with-other-people-353ed2c1-3ec5-449d-8c73-6931a0adab88

Yes, Please refer to our guide here.

If you use Outlook, you must be using Outlook 2010, or 2013 (Windows) or Outlook 2011 (Mac). Older versions will not work.

If you use Mac Mail, versions for Leopard and above will work, but may require some reconfiguration.

If you use Entourage for the Mac, you will need to reconfigure Entourage to use either Web Services Edition or POP/IMAP. Note: we do not recommend using Microsoft Entourage as it is a discontinued product with numerous known problems.

If you use a mail client other than what is listed above, such as Thunderbird, or use one of the listed mail clients using POP or IMAP, they will work, but only after you have reconfigured them with new server information. Please note that if you choose to use POP or IMAP to connect, you will not be linked to the calendar and contacts on the server

Office 365 will not work for Gmail.

No, all of your data will be migrated.

No, your mailbox will be removed when you leave the University.

No, system will migrate everything for you.

Please contact IT Care at 65162080 or email to ITCare@nus.edu.sg if you encounter this error.

If you use Outlook, you must be using Outlook 2010 (limited support), or 2013 and 2016 (Windows) or Outlook 2011 (Mac). Older versions will not work.

If you use Mac Mail, versions for Leopard and above will work, but may require some reconfiguration.

If you use Entourage for the Mac, you will need to reconfigure Entourage to use either Web Services Edition or POP/IMAP. Note: we do not recommend using Microsoft Entourage as it is a discontinued product with numerous known problems.

If you use a mail client other than what is listed above, such as Thunderbird, or use one of the listed mail clients using POP or IMAP, they will work, but only after you have reconfigured them with new server information. Please note that if you choose to use POP or IMAP to connect, you will not be linked to the calendar and contacts on the server

On Outlook Web App. Click on Deleted items and click on Recover Deleted items on top of the menu. A pop up window will appear. Select the email you would like to recover with checkbox and click Recover.

Yes, it is safe to have your emails in the Cloud.

There is a known issue with Outlook for Mac where granting someone Free/Busy or Limited Details access to your calendar will not allow the person you are sharing with to see any information on your calendar at all, including Free/Busy. Outlook for Mac users may grant reviewer permissions or higher to colleagues who need access to their calendar. Please refer to the instructions here.

There is a known issue with Outlook for Mac where granting someone Free/Busy or Limited Details access to your calendar will not allow the person you are sharing with to see any information on your calendar at all, including Free/Busy. Outlook for Mac users may grant reviewer permissions or higher to colleagues who need access to their calendar. Please refer to the instructions here.

Please enable cache mode to improve the slowness issue. Click here for the steps.

Yes, DL can be found in GAL (Global Address List).

You can still open your archived emails by double-clicking the shortcuts in Outlook with Enterprise Vault add-in installed. Only Outlook for Windows is supported.

You can access your archived emails by clicking on the “View the Original Item” link in the email shortcut and login with nusstf\UserID and password.

These functions will not work anymore after the migration to Office 365.

We will remove Enterprise Vault sometime in mid-2019. You can still access your archived emails which are imported to a “EmailsfromVault” folder in your mailbox.

Yes, you can delete the shortcuts for housekeeping purpose. However we suggest that you only delete them after the “EmailsfromVault” folder is available in your mailbox. After you delete, emails will still be available under “EmailsfromVault” folder in your mailbox.

Yes, you can. We will migrate your archived calendar items to your mailbox.

All of your previous archived emails will be in the folder “EmailsfromVault” with same email structure of your mailbox.

Refer to this eGuide.

Yes, Please refer to this eGuide.

Yes, We can assure you emails on Microsoft Office 365 are safe. Microsoft Office 365 service was independently verified to meet requirements specified in industrial standards including ISO 27001. Microsoft Office 365 standard agreement on compliance to data privacy stated that Microsoft will not use Customer Data and Content for Advertising and Voluntary Disclosure to Law Enforcement.

Microsoft Office 365 following 4 important rules to protect your data.

• Built-in Security
• Privacy by Design
• Continuous compliance
• Transparent operations