Preparing for TLS 1.2 in Office 365 and Office 365 GCC

Publisher

Microsoft

URL

https://learn.microsoft.com/en-us/purview/prepare-tls-1.2-in-office-365

Published

2026-05-14

Updated

unknown

Accessed

2026-10-02

HTTP status

200

License

Microsoft Learn content (verify terms); no-redistribution; short excerpts and locators only

Source notes citing this source

• Microsoft began deprecating TLS 1.0 and 1.1 for commercial Office 365 customers on October 15 2020, after starting in January 2020 for DoD and GCC High instances. in context

Cite this source record

APA

WarmTransfer. (2026, May 14). Preparing for TLS 1.2 in Office 365 and Office 365 GCC. WarmTransfer. https://warmtransfer.net/knowledge/sources/ms-learn-prepare-tls12-office-365

BibTeX

@misc{warmtransfer-ms-learn-prepare-tls12-office-365,
  title  = {Preparing for TLS 1.2 in Office 365 and Office 365 GCC},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/sources/ms-learn-prepare-tls12-office-365},
  note   = {Microsoft, accessed 2026-10-02}
}