Skip to main content

help.mail.colostate.edu logo

CSU Logo - click to visit the CSU homepage


Office 365 and Central Exchange Services at CSU

help.mail.colostate.edu is the primary resource for faculty and staff to find information regarding Exchange and Office 365 services. If you have questions or if you are looking for information not listed here, please contact the CSU Central IT Help Desk at help@colostate.edu.


News, Announcements, and Updates

11/28/2018 - Connecting to Office 365 Services will Require Office 365 ProPlus or Office 2016/newer in October 2020: Microsoft has announced that starting October 13, 2020, it will be necessary to have Office 365 ProPlus or Office 2016 (or newer) to connect to Office 365 services. This is a change from an earlier announcement that previously stated that Office 2019 or newer would be required. Office ProPlus activated using Device Based Activation (DBA) is available to CSU departments wanting to make the change to Office ProPlus. Please refer to Helping customers shift to a modern desktop for more information about the announcement concerning Office 365 system requirements.

10/25/2018 - Microsoft will stop supporting Basic Authentication for Apps using Outlook REST API v1.0 starting November 1, 2018: This announcement recently appeared in the admin message center and we are posting it as an FYI in case it applies to anyone. More info is available at Outlook REST API v1.0, Office 365 Discovery, and Live Connect API deprecation.

8/14/2018 - Office 365 No Longer Supporting TLS 1.0 and 1.1 as of 10/31/2018: Starting October 31, 2018, Microsoft will be discontinuing support of TLS 1.0 and 1.1 for connecting to Office 365. We do not anticipate this having a major impact but users using older clients such as IE 10 or earlier on Windows 7 or Safari 6.0.4/OS X10.8.4 will not be able to connect to Office 365 services after 10/31. Please refer to Preparing for the mandatory use of TLS 1.2 in Office 365 for more information.

8/1/2018 - All New CSU eIDs Created with Office 365 E-mail Accounts: Starting August 1, 2018, any user registering for an eID will automatically be assigned an Office 365 mailbox. Prior to this change, faculty and staff eIDs were created with Office 365 mailboxes while applicants and undergrad students were provisioned with Google Apps (@rams) mailboxes. Refer to Email Accounts for more information about e-mail accounts at CSU.

5/11/2018 - Office 365 Authenticated SMTP Limited to 3 Concurrent Connections: Microsoft announced that they are going to make a change on June 1 to restrict authenticated SMTP connections to smtp.office365.com to 3 concurrent connections. Please refer to Changes coming to the SMTP... for more details. This change does not affect clients/applications/printers configured to use CSU's locally-hosted SMTP service at smtp.colostate.edu.

4/26/2018 - OWA Mobile Apps being Retired: The Microsoft OWA mobile apps (OWA for iPhone, OWA for iPad, and OWA for Android) will be retired as of May 15, 2018. Users leveraging OWA mobile apps should switch to Outlook for iOS or Outlook for Android. (Click for more details about OWA Mobile Apps being retired)

4/26/2018 - Microsoft Recommendation if Users Are Reporting Outlook for Mac Stability Issues : Microsoft has posted a recommendation that users use the most recent version of macOS and Office for Mac and stay current with subsequent updates - specifically is a user is reporting stability issues with their current setup. (Click for more details on this recommendation)

3/1/2018 - Office Device Based Activation: Microsoft is transitioning to a new method of Office deployment called Device Based Activation (DBA) that offers IT professionals at CSU a method to deploy the same version of Office currently available to CSU users using the Click to Run (C2R) option presented in the Office 365 Portal. Please refer to Device Based Activation for Office ProPlus for more information and installation instructions.

2/8/2018 - Microsoft Teams: Tools to manage Microsoft Teams for use in Office 365 are now available to resource coordinators. Please refer to Microsoft Teams for more information about creating and using teams.