Video: Find and replace text - Microsoft Support
In the Find what box, type the text you want to search for. Select Find Next to see where the text appears in your file. Note: In Word for the web, select Next result to find where your text appears in a file. In the Replace with box, type the text you want.
Look up words in the thesaurus - Microsoft Support
Using the thesaurus, you can look up synonyms (different words with the same meaning) and antonyms (words with the opposite meaning). : In the desktop versions of Word, PowerPoint, and Outlook, you can get a quick list of synonyms by right-clicking a word and choosing Synonyms. The Office Online apps don't include a synonym finder.
Sign in to Office - Microsoft Support
Sign in to www.office.com from a web browser and start using the apps on the web or access other web services associated with your account such as OneDrive. How you sign in to an installed Office app depends on your device. Tip: To add an email account to Outlook or for help signing into Outlook.com, see Outlook help & learning.