Microsoft resolves Outlook mail encryption label issue preventing selection or modification

Microsoft resolves Outlook mail encryption label issue preventing selection or modification

Microsoft has recently addressed several Outlook issues, including an app crash related to typing and a bug affecting Gmail sign-in via IMAP. These updates are crucial for seamless email management within the Outlook application.

In addition to these fixes, Microsoft has resolved an issue concerning encryption labels in Outlook Desktop. Previously, users were unable to select or modify a Sensitivity label due to this malfunction.

The company clarified that this issue specifically impacted Outlook Desktop and was confined to builds relying on the new Microsoft Information Protection (MIP) SDK, starting from version 2402 Build 17328.20142. Prior to the resolution of this issue, users had to utilize either the Outlook Web App (OWA) or the New Outlook as a temporary workaround.

Microsoft has shared detailed information about the fixes, including the Outlook channels and build versions that are unaffected by this problem:

The Outlook Team has addressed a secondary issue that prevented users from applying encryption labels. The fix is now available in the following channels and builds:

  • Beta Channel: Version 2409 (Build 18024.15010)
  • Current Channel Preview: Version 2409 (Build 18025.20000)
  • Current Channel: Version 2408 (Build 17928.20144)
  • Monthly Enterprise Channel: Version 2407 (Build 17830.20210)

The initial fix for this issue is accessible in these channels:

  • Beta Channel Version 2407 (Build 17816.20000)
  • Current Channel Version 2407 (Build 17830.20000)
  • Current Channel Version 2407 (Build 17830.20138)

If you’ve updated to the fixed build but are still encountering issues with applying an encryption label, ensure that the following policy is disabled. When enabled, this policy restricts users to applying labels without encryption.

Prevent users from changing permissions on rights managed content (admx.help).

This policy can exist in several registry paths, so please verify each of them:


Computer\HKEY_CURRENT_USER\Software\Policies\Microsoft\Cloud\Office\16.0\Outlook\DRM\
Computer\HKEY_CURRENT_USER\Software\Policies\Microsoft\office\16.0\common\DRM
Computer\HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\DRM\

Registry Hive

HKEY_CURRENT_USER

Registry Path

software\policies\microsoft\office\16.0\common\drm

Value Name

disablecreation

Value Type

REG_DWORD

Enabled Value

1

Disabled Value

0

For more comprehensive details, please visit Microsoft’s official support page. We anticipate that the Outlook team will also rectify the msls70 DLL file error shortly.

Source

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