Import “Other Contacts” to “Contacts” in Google Account
Access Your Contacts
To access your contacts, open Gmail and left-click on the “Google Apps” icon circled below.

In the list that appears, left-click on the “Contacts” icon (you may have to scroll to find it).

In the Navigation Pane, left-click on “Other contacts.” Then left-click on one of the circular icons next to a contact. A check appears next to the contact, as well as “1 selected.”

Left click on the down arrow and choose “All” and all other contacts will be chosen.

On the right side of the screen, left-click on the three dots and choose “Export”.

Under “Export as” choose “Google CSV” and left click on “Export” and save the file to desired location.

In the Contacts Navigation Pane, click on “Contacts” then click on “Import”.

Click on “Select file”

Navigate to the location of your CSV file, left click once on it to highlight it then left click on “Open”.
Left click on “Import” and the other contacts will be imported into your contacts.