You are making your life much harder! You can use paragraph styles to control tab and indent settings. You can use character styles to deal with fonts, Italicization, etc. You can set keyboard shortcuts to apply these.

You can use the Replace function to substitute styles for much of your formatting. With work already done, it is hard to say whether you will benefit from doing this, but if you are going to be doing much more editing, using styles will greatly ease your work.

Trying to use Word without understanding and using styles is like pushing on a string. I resisted learning and using styles for years and now regret every day of those years because although that string was still very hard to push, it kept getting longer and longer, and had some very important projects tied to it! Once you understand styles and the Word concept of organizing things into Chinese boxes everything falls into place and instead of pushing a string, you can push a button that turns on the very powerful text processing machine known as Microsoft Word and it will start doing your work for you instead of running around behind you trying to undo what you thought you just did.