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Exchange Online email and calendaring

Exchange Online email and calendaring is now available to University students, and staff covered under the University’s EES agreement.

We strongly advice all Pharmacology users NOT to migrate yet to Exchange till further notification because there still so many issues to be resolved. May be wait till the beginning of next year or till further notice from us.

As part of the wider programme to make Exchange Online available to all users who may wish to adopt it, UIS has opened up its Hermes Migration tool to allow existing Hermes users to self-migrate their personal @cam email accounts to Exchange Online, should they choose to do so.

Who can migrate?

In general, this includes:

• All matriculated students of the University of Cambridge

• All staff directly employed by the University of Cambridge

• All staff employed by Institutions participating in the University of Cambridge Microsoft EES Agreement.

There are some edge cases not described above, so please see the full eligibility details:

Why might you want to migrate from Hermes to Exchange Online?

Exchange Online delivers the following:

• 50GB mailbox storage

• You can send emails up to 100MB in size

• You can configure many email clients – you don’t have to use Outlook

• Integration with Exchange Calendar

• Integration with the Microsoft Office suite and your 1TB OneDrive for Business filestore

• Group calendars to help teams work together

Before you begin…

• Please consult your College or Institution’s support policy and advice before migrating

• This option is only for people's personal Hermes accounts, not shared mailboxes.

• Exchange Online is known to impose certain operational limitations on connections that use the IMAP interface which Microsoft will not address. Consequently, Alpine and unaugmented Thunderbird clients (in particular) should not be used to connect to this service because there is a risk of mail loss when this protocol is used (with these or any mail client).

• Users who need to be able to securely exchange OpenPGP-protected email should not migrate to the service, as Exchange Online is known sometimes to corrupt such messages.

• Mailing lists whose recipients resolve to @cam addresses will not need to be changed.

• Shared mailboxes and migrations from Exchange On Premise must be handled as part of a scheduled institutional migration plan.

• Migration back to Hermes is technically possible, however it is not being made generally available for self-service users. Requests to reverse the process will be handled on a case-by-case basis by UIS.

  1. Check the FAQs and decide whether you want to migrate: Exchange Online FAQs: FAQs for Hermes users:

  2. Check your eligibility:

  3. College members: check your College's Exchange Online support and advice:

  4. Check whether your UIS Password has been synced:

How to self-migrate your Hermes email to Exchange Online:

You can migrate your personal Hermes mailbox yourself, using the online Hermes Migration Tool. It is a two-step process that ensures you won’t lose access to your email at any time during the migration.

  1. Follow the Hermes Migration instructions:

  2. Once you have migrated your mailbox, you can start using Outlook (get Office 365:, or set up another email client:

- Set-up Wizards:

- Email client settings:

Help and support:

• Exchange Online migration documentation:

• Troubleshooting tips:

• Microsoft training videos:

• Microsoft online support:

Personal support is also available from the UIS:

Service Desk

Tel: (7) 62999