Interviewer in looking for advanced skills in Microsoft Word, Excel, PowerPoint and Access in applicants as it is very important for receptionist job. Tell them what you know about Ms Office, what tasks you can actually perform in MS Word, Excel and form what time you are using MS OFFICE(it will show that how much you are familiar with Ms Office).Here your answer needs to be concise, credible and supported. Just show them your proficiency in Microsoft Word, Excel, PowerPoint and Outlook.   _{Your Comment}