Policy

Specify default quality of compression done on inlined images inserted in Outlook

This policy setting allows you to specify default quality of compression done on inlined images in Outlook. If you enable this policy setting, Outlook would compress the inlined images in the message as per the specified quality. If you disable or don't configure this policy setting, inlined images would be compressed at the default quality (220 dpi). Note: This policy setting only applies to subscription versions of Office, such as Microsoft 365 Apps for enterprise.

Policy
PackMicrosoft Office
CategoryMicrosoft Word 2016 / Word Options / Advanced / E-mail Options
Policy ID8039bc9cd3db
Internal nameL_DefaultCompressionQualityForInlinedImagesInOutlook

Registry

Copy registry mappings

HKCU\software\policies\microsoft\office\16.0\common\mailsettings\oulookimagedpiindex

Policy notes

This policy setting allows you to specify default quality of compression done on inlined images in Outlook. If you enable this policy setting, Outlook would compress the inlined images in the message as per the specified quality. If you disable or don't configure this policy setting, inlined images would be compressed at the default quality (220 dpi). Note: This policy setting only applies to subscription versions of Office, such as Microsoft 365 Apps for enterprise.

Related policies

Allow Advanced Typography features for OutlookDo not compress the inlined images inserted in OutlookRely on CSS for font formatting