Using Classic Outlook on Windows for personal email, calendar, and contact management
Hello Kim,
According to my tests, it isn’t feasible. In Outlook we can adjust the style, but there’s no native option to save it and set it as default for new inserted picture:
If this feature is very important to you, you’re recommended to submit a feedback to our related team which monitoring customers’ feedbacks at Outlook UserVoice. Your time and understanding will be greatly appreciated.
Besides, if anyone viewing this thread has any idea, welcome back and share with us.
Best Regards,
Anna