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Fix: This Email Address is Already Connected with Office 365

There are many ways to fix this annoying email error

5 min. read

Updated onOctober 4, 2023

updated onOctober 4, 2023

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Key notes

Microsoft’s Office 365 is a series of productivity apps that contain software that a lot of people use like Word, Excel, and Powerpoint.

The platform has itsfair share of errors, but there’s one in particular that’s debilitating and that’s the inability to use your Outlook email elsewhere. The service may tell you the email is already in use.

Why does Outlook say the email has already been added?

Why does Outlook say the email has already been added?

There are multiple reasons why your Outlook app, or any Office 365 app for that matter, may tell you that your email address has already been added or is being used somewhere else.

The following is by means an exhaustive list, but a collection of likely scenarios.

How can I fix this Office 365 email error?

How can I fix this Office 365 email error?

The complex solutions will also detail how to ensure the error doesn’t come back again. Before going into those, let’s go over the easier fixes first:

1. Reconfigure email via Control Panel

2. Reconfigure both POP and IMAP email on Control Panel

POP (Post Office Protocol) and IMAP (Internet Messaging Access Protocol) are two alternative ways to securely check your email on devices you don’t normally use.

Users have reported getting the same email error message when using one of these protocols.

3. Clear out the Windows 11 cache

Do be careful during this process and make sure you’re not deleting anything important, especially files in the Downloads folder. It’s recommended that you move important files before deleting them.

4. Automatically clear out Windows 365 cache

This solution uses Microsoft Outlook and Excel as examples, but it works for all apps that are a part of Office 365.

5. Manually clear out Windows 365 cache

What can I do if SharePoint isn’t exporting to Excel?

If you’re not aware, some Office 365 users have complained about not being able toexport data sheets from SharePointto Excel. There may be a problem with the browser or the app timed out.

If it’s the latter, we recommend increasing the time-out value for Excel, so it lasts longer. Additionally, you should learnhow to open Excel in Safe Modeif you encounter any problems.

You can try booting the entire Windows 11 system in Safe Mode or repair Microsoft Office 365. The files for the platform may have been corrupted.

Feel free to leave a comment below if you have any questions about other Office 365 problems. Leave a suggestion about guides that you’d like to see or information on the productivity apps.

More about the topics:email,Office 365,Windows 11

Cesar Cadenas

Networking & Security Specialist

Cesar has been writing for and about technology going on for 6 years when he first started writing tech articles for his university paper. Since then, his passion for technology blossomed into a prosperous writing career. He first started writing about tech in the entertainment world and would later move on to write about smart life tech and social media. He was recently a Technical Writer for tech company Extron where he wrote user guides for audio and video equipment.

He has since moved on to being a freelance writer looking to have a career in copywriting and hopes to share his love and knowledge of technology with the world. Recently, Cesar has written for the cryptocurrency news site, BTCPro and helping people understand tech.

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Cesar Cadenas

Networking & Security Specialist

Cesar is a tech expert passionate about Windows, Microsoft, and anything surrounding the world of PCs.