Outlook down? What your business can do during an email outage.

Is Outlook down, or is the problem local?

Start with Microsoft’s public service status. If your organisation uses Microsoft 365, ask its administrator to check the Microsoft 365 admin centre, where the service-health view can show issues affecting your tenant. Microsoft explains this distinction in its service-health guidance.

Record the error, when it started and whether colleagues have the same problem. If no relevant incident is listed, use your normal IT support route to investigate the account, device or connection. A provider incident and a local fault can have similar symptoms.

This page is practical guidance, not a live outage tracker. Microsoft’s updates are the source for current incident scope and restoration information.

Outlook.com and business Outlook are different

Outlook.com is Microsoft’s consumer email service. Outlook is also the name of an application used with business accounts, including Exchange Online in Microsoft 365. The affected service and the type of account determine what is available.

Orwell’s continuity offering is designed around agreed business services and data. It is not a way to repair Microsoft’s infrastructure, recover a forgotten account password or instantly turn an inaccessible Outlook.com mailbox into a local service.

For organisation-wide planning, read our Microsoft 365 outage guide.

Can you read email offline?

Possibly, if the device already holds a usable copy. Microsoft documents Cached Exchange Mode for classic Outlook, which can make previously downloaded business mailbox content available without a connection to Exchange. That setting does not apply to new Outlook for Windows; available features depend on the client and its configuration.

An offline copy cannot supply messages that never reached it. Creating a new profile or downloading an empty mailbox during the outage will not create the missing history. Before changing a working local setup, check with the person responsible for your IT.

What can the team do while email is unavailable?

1. Use your agreed alternative contact route. Tell colleagues and key customers how to reach the team without relying on the affected mailbox.
2. Prioritise work with information already available. Use approved local documents and previously synchronised mail where access still works.
3. Keep a record of unfinished communications. Note messages that need sending or checking when service returns, and avoid assuming a draft or queued message has been delivered.
4. Coordinate the return. Confirm new mail is arriving, check time-sensitive exchanges and review work completed using alternate channels.

Prepare a local email option before the next outage

A business continuity environment needs more than a mail archive. The team needs local accounts, permission to access the right mailboxes, a measured synchronisation gap and a procedure it has rehearsed.

Our email continuity approach uses an independent on-site mail environment built around mailcow. New internet mail delivery still depends on connectivity and the routing arrangements agreed in the design. An appliance must be deployed and synchronised in advance.

If this outage has exposed a dependency, discuss a continuation plan for the next one, or use the business continuity checklist to prepare your questions.