Go to Review tab and under Tracking section click on “Track changes” to enable them. - Office ToDo

Right click on the bubble and choose “Delete Comment” from the menu. In case you wish to delete all comments in your document, go under Review tab and under Comments section. From there choose “Delete” and “Delete all comments in document”. - Office ToDo

Select your text or part of the text you wish to comment and go to Review tab. Under Comments choose “New Comment”. To the right side of the document a bubble appears. Into this you can leave your comments. - Office ToDo

One way, if you prefer not going to the taskbar, is to go under View tab and Window section. Click on “Switch Windows” and choose the document. - Office ToDo

Go to View tab under Window section and press on “Split”. You’ll get an opportunity to place the point where the split is created. Click once and a split is placed. Now you can view and edit two parts of your document simultaneously. - Office ToDo

First have those two documents open. From one document go under View tab and in Window section choose “Arrange All”. This way you’ll have two documents opened in one window. - Office ToDo

Go under Home tab into Editing section and press on “Find”. In the new window type the word you wish to find and click on “Find next”. - Office ToDo

If you need to replace a specific word in your document, press the button “Replace” under Home tab in Editing section. Under “Find what” type the word that needs to be replaced and under “Replace with” obviously the word to be used instead. You can either click on “Replace all” to have all the words replaced at once or click on “Find next” to move to the next word and “Replace” to replace single words. - Office ToDo

The paragraphs work a lot like tables. Have your cursor in your selected paragraph and work around with the selections under Paragraph section and Borders button. - Office ToDo

In Word you can sort text, numbers and dates. Select your data and click on the button “Sort”, which is located under Home tab in Paragraph section. It also works for the data in tables. From the appearing window determine by what characteristics you would like your data to be sorted. - Office ToDo