Clear all formatting from selected text in the message body

Clear text formatting in a composing email in Outlook
For example, you have added many formatting for selected text in a composing email, but now you want to clear these formatting, how could you quickly get it done in Outlook Actually, you can apply the Clear All Formatting feature to complete this task.

Clear all categories from Outlook
Supposing, there are lots of items are applied to the color category in your Outlook. If you need to clear all these categories from the items, how could you deal with this job quickly and easily in Outlook

Clear or remove recent search history (search cache) in Outlook
Have you ever noticed that when you typing keywords in the Instant Search box for searching, after finishing searching, all keywords you have typed are stored and listed in the Recent Searches drop-down list automatically as below screenshot shown? This article will introduce the solutions of clearing or removing this recent search history list.