On the Font tab, choose the default Font, Font style, Size, Color & Underline, and. Thanks for bringing this to our attention - this has to be one of the most unusual issues I've seen reported! I'd like to have our team investigate this since I'm not aware of any issues with changing font colors in Excel and our software. In the Default fonts for composing messages section click the Font button next to the composition style you want to edit. Office 2013, Office 2016, Office 365, Office for Mac / Add a special font for. And after that clicking 'bold' worked without any pause. How to change Default Font or Text Color for email messages in Outlook. I thought you were on to something on the fuzzy A and hidden dialog, but those are. One interesting little-known trick pertains specifically to Dark Mode however, and if you use the gray accent color in combination with Dark Mode, you’ll end up enabling a darker version of the Dark Mode theme. Signature Guidelines Examples PC Outlook Tutorial Mac Outlook Tutorial Mac Mail. I have tried highlighting the text first. For me, it 'started' to hang for a few seconds but then it worked itself out. Changing the accent color works whether your Mac is set to use Light theme mode or set to use the Dark Mode theme. Open excel and see if it worked itself out.Maybe see if you can temporarily disable antivirus protection as a test, but if not you can: (For the curious, I installed Avast instead.) I was having the problem with bold, highlight, font color etc. I just uninstalled AVG and now Excel is working for me perfectly.