User has strange issue when saving changes to an contact in Outlook

This is my first time posting, so please go easy on me!

I have a user that makes frequent changes and notes to an Outlook 2013 contact in the "People" area. After making the edit and clicking "Save", the change I so clearly made does not appear until I restart her Outlook 2013 application for any contact. This does not happen on any other PC to my knowledge (including mine).

Things I have tried:

• Waiting 5 minutes: it took a few seconds on my machine.
• Making the change by right clicking the contact and selecting "edit".
• Clicking the "Send and Recieve All Folders" option.
• Repairing and rebuilding the user's .ost file and Address Book folder under AppdatalocalMicrosoftOutlook.

None of those attempts resolved this strange issue.

Let me know if I did not provide enough information. Any assistance is greatly appreciated!

EDIT: This has been happening since she was given the PC. No changes have been made since she was hired.