How to Delete an Outlook Email Account: What You Need to Know First

Deleting an Outlook email account sounds straightforward — but the process and consequences vary significantly depending on what you're deleting, where you're deleting it from, and which type of account you're working with. Getting this wrong can mean losing emails permanently, disrupting connected apps, or simply not accomplishing what you intended.

Here's a clear breakdown of how it actually works.

What "Deleting an Outlook Account" Actually Means

There's an important distinction most guides skip over: removing an account from a device or app is not the same as permanently closing the account itself.

  • Removing from the Outlook app means you disconnect the account from that specific installation of Outlook (on your phone, PC, or Mac). The account still exists — emails and data remain intact on Microsoft's servers. You just stop syncing it on that device.
  • Closing a Microsoft account is permanent. This deletes your Outlook.com mailbox, along with any associated OneDrive files, Microsoft 365 access, Xbox profile, and other Microsoft services tied to that account.
  • Removing a connected account (like a Gmail or Yahoo address linked inside Outlook) simply unlinks it without affecting the underlying account at all.

Knowing which action you actually need will save you from a frustrating — or irreversible — mistake.

How to Remove an Outlook Account from the Outlook App 📱

On Windows (Outlook Desktop App)

  1. Open Outlook and go to File > Account Settings > Account Settings
  2. Select the account you want to remove from the Email tab
  3. Click Remove, then confirm

This disconnects the account from that Outlook installation. Your emails stored locally in a .pst file may remain on your computer unless you manually delete that file.

On Mac (Outlook for Mac)

  1. Open Outlook and go to Tools > Accounts
  2. Select the account in the left panel
  3. Click the minus (−) button and confirm removal

On iPhone or Android (Outlook Mobile App)

  1. Tap your profile icon in the top-left corner
  2. Select the account, then tap Settings (gear icon)
  3. Scroll down and tap Delete Account

Again — this removes it from the app only. Nothing is deleted from Microsoft's servers.

How to Remove an Email Account Added to Windows Mail Settings

If you added an Outlook or Microsoft account to Windows Settings (used for Mail, Calendar, or Windows sign-in), the removal path is different:

  1. Go to Settings > Accounts > Email & accounts
  2. Select the account under "Accounts used by email, calendar, and contacts"
  3. Click Manage and then Delete account from this device

On Windows 11, the path may be slightly different depending on whether the account is also your Windows sign-in account — in that case, you'll need to switch to a local account before removing it.

How to Permanently Close a Microsoft/Outlook.com Account ⚠️

This is the nuclear option and it's irreversible after a grace period (typically 60 days, after which all data is unrecoverable).

To close a Microsoft account:

  1. Sign in at account.microsoft.com
  2. Go to Settings > Security > More security options
  3. Scroll to find Close my account
  4. Microsoft walks you through a checklist — reviewing active subscriptions, canceling services, downloading data

Microsoft requires you to acknowledge what you're giving up before proceeding. If you have an active Microsoft 365 subscription, Xbox Game Pass, or any paid service, those need to be cancelled first or you'll continue to be billed.

Variables That Affect the Process

Not every user's situation is the same. Several factors determine which steps apply to you:

VariableWhy It Matters
Account typePersonal Microsoft account vs. work/school account — IT admins control the latter
Device and OS versionSteps differ across Windows 10, Windows 11, macOS, iOS, and Android
Outlook versionClassic Outlook vs. New Outlook (Microsoft's updated interface) have different menu structures
Linked servicesMicrosoft 365, OneDrive, Xbox, and Skype are all tied to the same Microsoft account
Local dataPST or OST files may remain on your machine even after account removal
Work or school accountThese accounts are typically managed by an organization — you may not have permission to remove them

Work and School Accounts Are a Different Case

If your Outlook account was set up by an employer, school, or organization, you cannot close it yourself. These accounts are managed through Microsoft Entra ID (formerly Azure Active Directory) by an IT administrator. You can remove it from your personal devices, but the account itself can only be deactivated or deleted by the organization that owns it.

Attempting to "delete" a work account through personal account settings typically won't work — or it may only remove it from one device without affecting the account itself.

What Happens to Your Data

This is where many users run into surprises:

  • Emails and contacts stored on Microsoft's servers are accessible until the account is fully closed
  • Local PST files on Windows persist on your hard drive even after you disconnect the account — they don't delete automatically
  • Connected apps and services that use your Microsoft account for sign-in will lose access once the account is closed
  • Two-factor authentication tied to this email address will break for any service using it as a recovery option

The right path forward depends on what you want to preserve, what devices you're working across, and whether the account belongs to you personally or to an organization.