Now, read this post fromMiniTool Solutionand you will know some useful methods.

Sometimes, this issue is sparked by having no software set as the default software for the mail.

It is pretty normal for files to get corrupt.

How to Fix the “Address Not Found” Issue on Gmail? [4 Ways]

Lastly, the culprit of this issue can be Cortana as well.

This post provides solutions for you to fix it.

you might follow the steps below:

Step 1:Press theWindowskey andIkey to open theSettingsapplication.

click Apps

Step 2:SelectDefault appsfrom the left pane, then pick the system under theEmailsection.

Step 3:SelectMail(or an utility of your choice) from the list.

If the issue is not fixed, move to the methods listed below.

navigate to the path

Step 5:Repeat the steps in the previous method.

Reboot your setup and see if this method resolves the issue for you.

There is a setting in Cortana that lets Cortana use the Email and Calendar.

Unchecking this setting has helped handle this glitch.

Here is how to do that.

Step 1:Press theWindowskey andIkey at the same time to open theSettingsapplication.

Then navigate to theCortanasection and click it.

Step 2:Then clickPermissions & History.

Step 3:SelectManage the information Cortana can access from this rig.

Step 4:Turn offContact, email, calendar & communications history.

This should solve the issue for you.

Besides, this post has introduced 3 ways to solve this error.

If you have the same trouble, try these solutions.