Module 3 of StartCloud's Copilot Essentials learning pathway, in six short units with a knowledge check: an honest app-by-app tour of Microsoft 365 Copilot in Word, Outlook, Teams, Excel and PowerPoint, covering where each genuinely saves time and where it falls flat.
Copilot in the Apps You Use Every Day
Word and Outlook: the writing workhorses
If your working day involves writing anything longer than a text message, these two apps are where a Copilot licence earns its keep first. Not because the writing is brilliant (it is fine, and we will get to that), but because the boring halves of writing, the starting and the catching up, largely disappear.
Word
Drafting, rewriting, and summarising long documents
Ask Copilot to draft a document from a prompt, and it will happily reference other files, meetings, and emails you point it at, up to ten of them at once. Highlight any paragraph and it will offer rewrites for clarity or tone. And its best trick barely gets mentioned: paste in a long document, or open one, and ask for a summary. It can chew through documents up to roughly 80,000 words, which covers every contract, tender, and policy document a small business is ever likely to meet.
- First drafts of proposals, letters, and policies from a decent prompt
- Summarising a 40-page contract or tender before a meeting
- Rewriting a clunky paragraph three different ways in seconds
- Asking questions about a document instead of reading all of it
- Anything that needs your voice. Drafts read like a competent stranger wrote them
- Precise formatting and layout. It writes words, it does not design documents
- Facts and figures. It will confidently draft around numbers you never gave it, so check every one
Outlook
Summarising threads, drafting replies, and coaching
Three features carry Outlook. Summarise condenses a 25-message reply-all saga into a few sentences with the key points and who said what. Draft with Copilot writes a reply from a one-line instruction, with controls for tone and length. And Coaching is the quiet achiever: it reads a reply you wrote yourself and suggests improvements to tone, clarity, and how the message will land. That last one is genuinely useful the day you are typing angry.
- Catching up on a long thread after two days of leave
- Knocking out routine replies: scheduling, confirmations, follow-ups
- Coaching a touchy email before you hit send
- Rewriting a highlighted sentence that is not quite right
- Emails to people who know you. The polish is detectably not yours
- Anything sensitive or high-stakes. Draft it yourself, then let Coaching review it
- The classic Outlook for Windows app gets fewer features than new Outlook and the web version
Treat every Word and Outlook draft like work from a bright new intern: fast, well organised, slightly too formal, and never sent to a client without a once-over. Used that way, it is excellent. Sent as-is, it is how you end up signing off an email to your plumber with "Warmest regards".