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Fix: Outlook Contacts Missing after Windows 10/11 Upgrade

Apply our detailed procedure right away

3 min. read

Updated onOctober 4, 2023

updated onOctober 4, 2023

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Key notes

Windows 10is becoming more and more popular among users. Month after month, statistics confirm that the number ofWindows 10users increases steadily, reaching 25% last month. With features likeCortana, a revamped start menu, and more,Windows 10has become the favorite OS for many people.

The upgrade procedure is very easy to follow and, pretty much, works on its own. But sometimes, things can go wrong, and one can run into some very weird problems. One of these problems is losing contacts afterupgrading to Windows 10.

After upgrading toWindows 10from Windows 7 SP1, I have lost all emails, my calendar, and all contact lists.  I use these for my home business.  This is unacceptable.  I am not a computer guru but can find my way around.

How can I fix Outlook contacts missing after Windows upgrade?

How can I fix Outlook contacts missing after Windows upgrade?

In this post, we’ll tell you how to fix this issue and get your contacts back. Just follow the steps below, and you will get your contacts back in no time.

On the home screen of theOutlookpage, there will be an arrow where you can click to see a dropdown which consists various other features likeMail, People,Calendar, OneDrive, and the rest of the Microsoft apps. You need to click on the one marked asPeopleand there you can see all of your contacts.

If that’s not the case, here’s what you should do if you are using theOutlookapplication forWindows 10:

If you’re using Apple devices, you can easilysync iCloud contacts with Outlookand avoid this issue altogether.

What actually happens while upgrading to Windows 10?

When Windows Upgrades from Windows 8 or Windows 7 toWindows 10, it creates a folder calledWindows.oldwhich contains all the files used by the previous installation. The Windows.old files help to restore your system to the old version of Windows if you don’t like the new version.

It contains all the system files, installed programs, and each user account’s settings.

To recover the lost contacts and other data, go toC:Windows.oldUsersusernameAppDataLocalMicrosoftOutlook.

There you can find the data ofOutlookand other personal data saved there. Usually, the data there is hidden, and you may have to configure Windows to display hidden files and folders. Here’s how you can display the hidden files :

With that said, we can conclude this article. If you have any additional questions or suggestions, feel free to tell us in the comments section below.

Madalina Dinita

Networking & Security Specialist

Madalina has been a Windows fan ever since she got her hands on her first Windows XP computer.

She is interested in all things technology, especially emerging technologies – AI and DNA computing in particular.

Prior to joining the WindowsReport team, she worked in the corporate world for a number of years.

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Madalina Dinita

Networking & Security Specialist

Madalina is a Windows fan since forever, especially interested in AI, emerging technologies, privacy, and security.