Thank you for choosing Toshiba Tec products.

Microsoft has announced two specification changes to Exchange Online that may affect email functionality on Toshiba Tec MFPs. To continue using email-related functions on Toshiba Tec MFPs, you will need to switch to modern authentication methods, such as OAuth 2.0.
Please see below for affected models and recommended actions

1. Microsoft's Exchange Online specification changes

The specification changes made by Microsoft are as follows.

• 1.1 There are changes to the TLS 1.2/TLS 1.3 cipher suites available at Microsoft 365, including Exchange Online. This change will take effect after October 20, 2025, as announced by Microsoft to each tenant's message center.
• 1.2 Basic authentication is being deprecated in Exchange Online and requires OAuth 2.0 support. Microsoft has scheduled the transition period from March 1, 2026 to April 30, 2026.（*1）

*1：Exchange Online to retire Basic auth for Client Submission (SMTP AUTH)

2. Functions of our MFPs affected by Microsoft specification changes

The above changes to the TLS 1.2/TLS 1.3 cipher suite that can be used in Microsoft 365, as well as the functions of our MFPs with models affected by the deprecation of Basic authentication in Exchange Online, are as follows.

• Scan to Email
• iFax Features
• Fax Forwarding (Email) Function
• Email notification function
• Other functions related to sending and receiving emails

3. Status of our MFPs and what customers will respond to

3.1 Changes to TLS 1.2/TLS 1.3 cipher suites that can be used in Microsoft 365

The following two models are not compatible with the new cipher suites.
If you are using this model, please consider changing to another email service.

Model Name	Responding to Specification Changes to the M365 Cryptographic Suite
e-STUDIO301DN	Not compatible
e-STUDIO302DNF	Not compatible

3.2 Deprecation of Basic Authentication in Exchange Online

With Microsoft's deprecation of Basic Authentication, modern authentication methods such as OAuth 2.0 will be required in the future.
The OAuth 2.0 support status for Exchange Online of our MFPs is shown in the table below.
For setup instructions, please refer to the user manual for each model.
If you are not compatible, please consider changing to another email service.

Model Name	Exchange Oauth 2.0 Ready
e-STUDIO 2020AC	Compatible. (Firmware update released: December 2023)
e-STUDIO 2520AC	Compatible. (Firmware update released: December 2023)
e-STUDIO 2021AC	Compatible. (Firmware update released: December 2023)
e-STUDIO 2521AC	Compatible. (Firmware update released: December 2023)
e-STUDIO 2025NC	Compatible. (Firmware update released: December 2023)
e-STUDIO 2525AC	Compatible. (Firmware update released: December 2023)
e-STUDIO 3025AC	Compatible. (Firmware update released: December 2023)
e-STUDIO 3525AC	Compatible. (Firmware update released: December 2023)
e-STUDIO 4525AC	Compatible. (Firmware update released: December 2023)
e-STUDIO 5525AC	Compatible. (Firmware update released: December 2023)
e-STUDIO 6525AC	Compatible. (Firmware update released: December 2023)
e-STUDIO 2528A	Compatible. (Firmware update released: December 2023)
e-STUDIO 3028A	Compatible. (Firmware update released: December 2023)
e-STUDIO 3528A	Compatible. (Firmware update released: December 2023)
e-STUDIO 4528A	Compatible. (Firmware update released: December 2023)
e-STUDIO 5528A	Compatible. (Firmware update released: December 2023)
e-STUDIO 6528A	Compatible. (Firmware update released: December 2023)
e-STUDIO 6526AC	Compatible. (Firmware update released: December 2023)
e-STUDIO 6527AC	Compatible. (Firmware update released: December 2023)
e-STUDIO 7527AC	Compatible. (Firmware update released: December 2023)
e-STUDIO 6529A	Compatible. (Firmware update released: December 2023)
e-STUDIO 7529A	Compatible. (Firmware update released: December 2023)
e-STUDIO 9029A	Compatible. (Firmware update released: December 2023)
e-STUDIO 331AC	Compatible. (Since the initial release)
e-STUDIO 401AC	Compatible. (Since the initial release)
e-STUDIO 2010AC	Compatible. (Firmware update released: April 2024)
e-STUDIO 2510AC	Compatible. (Firmware update released: April 2024)
e-STUDIO 2015NC	Compatible. (Firmware update released: April 2024)
e-STUDIO 2515AC	Compatible. (Firmware update released: April 2024)
e-STUDIO 3015AC	Compatible. (Firmware update released: April 2024)
e-STUDIO 3515AC	Compatible. (Firmware update released: April 2024)
e-STUDIO 4515AC	Compatible. (Firmware update released: April 2024)
e-STUDIO 5015AC	Compatible. (Firmware update released: April 2024)
e-STUDIO 2018A	Compatible. (Firmware update released: April 2024)
e-STUDIO 2518A	Compatible. (Firmware update released: April 2024)
e-STUDIO 3018A	Compatible. (Firmware update released: April 2024)
e-STUDIO 3518A	Compatible. (Firmware update released: April 2024)
e-STUDIO 4518A	Compatible. (Firmware update released: April 2024)
e-STUDIO 5018A	Compatible. (Firmware update released: April 2024)
e-STUDIO 5516AC	Compatible. (Firmware update released: April 2024)
e-STUDIO 6516AC	Compatible. (Firmware update released: April 2024)
e-STUDIO 7516AC	Compatible. (Firmware update released: April 2024)
e-STUDIO 5518A	Compatible. (Firmware update released: April 2024)
e-STUDIO 6518A	Compatible. (Firmware update released: April 2024)
e-STUDIO 7518A	Compatible. (Firmware update released: April 2024)
e-STUDIO 8518A	Compatible. (Firmware update released: April 2024)
e-STUDIO 330AC	Compatible. (Firmware update released: April 2024)
e-STUDIO 400AC	Compatible. (Firmware update released: April 2024)
e-STUDIO 3508LP	Only email reception is supported (Firmware update released: September 2022)
e-STUDIO 4508LP	Only email reception is supported (Firmware update released: September 2022)
e-STUDIO 5008LP	Only email reception is supported (Firmware update released: September 2022)
e-STUDIO 2329A	Firmware update scheduled for release in March 2026
e-STUDIO 2829A	Firmware update scheduled for release in March 2026
e-STUDIO 2822AM	Firmware update scheduled for release in March 2026
e-STUDIO 2822AF	Firmware update scheduled for release in March 2026
e-STUDIO 408S	Compatible. (Firmware update released: September 2025)
e-STUDIO 409S	Compatible. (Firmware update released: July 2025)
e-STUDIO 409AS	Compatible. (Firmware update released: September 2025)
e-STUDIO 449S	Compatible. (Firmware update released: September 2025)
e-STUDIO 479S	Compatible. (Firmware update released: September 2025)
e-STUDIO 220CS	Compatible. (Firmware update released: July 2025)
e-STUDIO 339CS	Compatible. (Firmware update released: September 2025)
e-STUDIO 409CS	Compatible. (Firmware update released: September 2025)
e-STUDIO 509CS	Compatible. (Firmware update released: September 2025)
e-STUDIO 301DN	Not compatible
e-STUDIO 302DNF	Not compatible
e-STUDIO 908	Firmware update scheduled for release in January 2026
e-STUDIO 1058	Not compatible
e-STUDIO 1208	Not compatible

4. Contact us

For further inquiries, please contact your Toshiba Tec service provider.