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Microsoft Outlook? More Like Microsoft Look Out!
Posted on November 13, 2026 by Adonis Walmsley-McCarthy
Introduction
At about five o’clock on Thursday afternoon, Microsoft Outlook fell over. Teams went with it and so did a good chunk of Microsoft 365. Millions of people around the world couldn’t open their email, join their meetings or get at their files and as I write this, a day later, things still aren’t fully back to normal.
Microsoft says it wasn’t a cyberattack. That’s good news, but it doesn’t make much difference if you’re a small business owner staring at a spinning wheel while your customers are trying to get hold of you.
Here’s the thing. This isn’t just an IT inconvenience. It’s a business continuity problem. If your email, your diary, your documents, your customer messages and the way your team talks to each other all live with one provider, then one bad day for that provider becomes a very bad day for you.
The good news? You don’t need a fortune or a disaster recovery department to protect yourself. You need a bit of planning. Here’s where I’d start.
1. Don’t rely on one way of being contacted
This is the easiest win of the lot. If Outlook stops working, how do your customers reach you?
Every small business should have:
- A published phone number
- A backup email address, ideally with a different provider
- A mobile number for your most important contacts
- Another way to talk to your staff
- A way to put a short notice on your website if something goes wrong
Sort these out now. Don’t wait until the outage to work out how people can find you.
2. Know the difference between syncing and backing up
OneDrive is brilliant, but it isn’t a backup. It’s a sync. If a file is deleted or scrambled on one device, that change happily copies itself everywhere else.
A proper backup follows the 3-2-1 rule: three copies of your important data, on two different types of storage, with one kept somewhere else. An encrypted external drive is a good start, but not if it’s plugged in permanently. A drive that’s always connected is just as easy for ransomware to reach as everything else. And test your backups now and again. A backup you’ve never restored from is really just a hope.
3. Don’t put everything in the browser
If Microsoft 365 is down, can you still open and edit your documents?
The desktop versions of Word, Excel and PowerPoint will carry on working offline for a while, as long as they’re installed and your files are stored on your computer. So install the desktop apps, keep your essential documents available offline and make sure your staff know how to work that way. Just because you pay for a subscription, don’t assume everything will keep going when Microsoft’s servers don’t.
4. Have a second way to take payments
If your takings depend on online payments, think about a card terminal that can work on its own, a second payment provider or simply accepting bank transfers. Check what your provider actually does when the internet or the cloud goes down. A backup app that depends on the same connection won’t help you much.
5. Watch out for the scammers
Criminals love an outage. People get frustrated, go looking for a fix and click on anything that promises one. Make sure your team knows:
- Don’t click unexpected links claiming to fix Microsoft 365
- Don’t enter your Microsoft password on unfamiliar websites
- Don’t install “recovery” software from anyone you don’t know
- Don’t approve a sign-in request on your phone that you weren’t expecting
- If a message seems odd, check it by phone or another channel
An outage doesn’t mean you’ve been hacked, but it’s exactly when someone might try.
6. Be ready to work the old-fashioned way
It sounds old-fashioned. It is old-fashioned. It also works.
You don’t need to recreate your whole business on paper, just enough to keep the essentials going:
| Normal process | Fallback |
|---|---|
| Online bookings | Paper diary |
| Customer database | Printed list of essential contacts |
| Telephone | |
| Digital orders | Numbered paper order forms |
| Cloud documents | Offline copies |
| Online invoicing | Ready-made invoice templates |
| Teams meetings | Phone call |
7. Know where to check
Before you spend an hour restarting every computer in the office, check whether the problem is actually yours. Microsoft publishes a service status page and if you have a Microsoft 365 business account, the Admin Centre gives more detail about anything affecting your organisation. You can even set it up to email you when there’s a problem.
Your small business resilience checklist
If you only do ten things, do these:
- Work out which parts of your business depend on Microsoft 365
- Set up an independent emergency email address
- Make sure customers have a phone number they can use
- Back up your essential documents separately from OneDrive
- Keep critical documents available offline
- Have a backup plan for appointments and customer contact
- Write down how you’ll take payments if your usual method fails
- Give your staff basic outage and phishing guidance
- Know how to check Microsoft’s service status
- Test your arrangements at least twice a year
The bottom line
The problem isn’t that businesses use Microsoft 365. I use it and it’s a great tool. The problem is that so many of us have built our entire working day around the assumption that it’ll always be there.
That assumption is dangerous.
The cloud takes away a lot of the hassle of looking after your own systems. What it doesn’t take away is your responsibility for keeping your business running. Backups protect your information. Good security protects your systems. Continuity planning keeps the doors open. A resilient business needs all three.
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