Microsoft has announced that all Outlook versions from Outlook 2010 and older will be cut off from Microsoft 365 Exchange servers. According to the company, only Outlook 2013 Service Pack 1 and later will be able to access Microsoft 365 servers. Specifically, the cutoff will happen from November 1, 2021.
This may present some problems for organizations still running older versions of the Outlook email software. If you are consumer, the idea of running 10-year-old platforms may seem odd outside of hobby machines. However, companies can often take much longer to upgrade services, usually because of costs associated with mass updates.
For those businesses still tied to Outlook 2007 and 2010, the time is coming where an upgrade is essential. Microsoft says both these versions are not compatible with the following changes:
- “Support for basic authentication is ending to increase the security of Microsoft 365 by relying on modern authentication protocols, which are not only more secure, but also provide compliance and policy controls to help you manage your data.
- Microsoft is working on adding support for HTTP/2 in Microsoft 365. HTTP/2 is a full duplex protocol, which decreases latency through header compression and request multiplexing.”
Upgrading
Microsoft says there are clear benefits to upgrading to newer Outlook versions, including fewer crashes (75% less), more security, and newer features. It is worth noting Microsoft has not been supporting Outlook 2007 or 2010 for years, but the company admits many customers still use the versions.
The company is now contacting those customers to help them transition to newer versions. Microsoft says any company still using Outlook 2007 or 2010 should contact customer support to take the next steps.
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Last Updated on February 14, 2022 8:21 pm CET by Luke Jones
