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lowAI-NEWS2026-07-09Vector: appsec

Microsoft to retire the OWA Light client in Exchange Server

Microsoft is planning to remove a simpler version of its Outlook web email called OWA Light from future Exchange Server updates. This means people who use OWA Light, perhaps because they have an older browser or need simpler access, will need to use the regular Outlook web version or other Outlook apps instead.

Decision Context

English Brief

Microsoft is planning to remove a simpler version of its Outlook web email called OWA Light from future Exchange Server updates. This means people who use OWA Light, perhaps because they have an older browser or need simpler access, will need to use the regular Outlook web version or other Outlook apps instead.

الموجز العربي

مايكروسوفت تعلن عن إيقاف عميل OWA Light في Exchange Server

تخطط مايكروسوفت لإزالة نسخة مبسطة من بريدها الإلكتروني عبر الويب تسمى OWA Light من تحديثات Exchange Server المستقبلية. هذا يعني أن الأشخاص الذين يستخدمون OWA Light، ربما بسبب متصفح قديم أو لحاجتهم إلى وصول أبسط، سيحتاجون إلى استخدام النسخة العادية من Outlook عبر الويب أو تطبيقات Outlook الأخرى بدلاً من ذلك.

Affected Products
    Priority sectors
    Threat Intelligence
    Immediate Actions
    1. 1Inventory every affected affected systems deployment and identify its owner.
    2. 2Apply the vendor security update or documented mitigation as soon as possible.
    3. 3Restrict external exposure and privileged access until remediation is verified.
    Microsoft to retire the OWA Light client in Exchange Server | Cyberttak