At this location, there should be a file called com. From this folder, run this command: sudo defaults write com. This will change the default font size for plain text.

You can also change the font size for HTML messages: sudo defaults write com. Restart Microsoft Outlook. The new font size should be apparent when reading incoming mail. Additional information Microsoft appears to be using binary plists. These differ from the usual XML-style plists that Mac users are used to. If you want to open the plist to edit with a text editor, you will first need to convert it to XML using the plutil command: plutil -convert xml1 com.

When you re-open Outlook, it should be converted back to the binary format. You can also convert it to binary, manually, by using plutil : plutil -convert binary1 com. Expand your skills. Get new features first. Was this information helpful? Yes No. Thank you! Any more feedback? The more you tell us the more we can help.

Can you help us improve? Resolved my issue. Clear instructions. Easy to follow. Now i have to help each user seperately but we have over users so that must be easier tot do. You can only change the default font of Office Online application of your users one by one.

It is also the same if your organization is using Office desktop applications. If you’re the Office administrator, the only settings that you can change for all of your users are the permission and sharing settings. Customization settings of Office apps are controlled by the users. As a workaround, you can instruct your users to change the default font of their Office Online applications by emailing them the steps so that they will be the one who will customize the font settings.

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Change the font size in Outlook for Mac.

 
Choose font size when composing email · Create a new message, or reply to a message. · At the bottom of the compose pane, select Font size Font size. Screenshot. Set the default font · Go to File > Options > Mail > Stationery and Fonts · Select the font you want to change · Select the options that you want to apply to. In Outlook, the default font is point Calibri in black. It’s used when you compose new email messages. You can change the default font and its color.