My, work computer runs Windows 10. Last week my employee made the upgrade from Windows 7. The Microsoft Outlook program was also updated. A PST folder was generated during the upgrade. Unfortunately, I tried opening it with Adobe Acrobat and the Windows default word processor. The Outlook icon has been replaced with an incorrect one, and I can not complete the upgrade on my work computer. The computer tech ,(a Prima donna)) is too angry to help me. .
HELP I need e-mail at work.
Your help will be greatly appreciated.