Does OutlookSync have any embedded viruses, spyware, malware or other hidden files? Support Team February 17, 2021 04:46 Updated Follow No, OutlookSync has been fully tested by our engineers and it is perfectly safe for you to download and use. Related articles Do I need Microsoft Outlook installed to use OutlookSync? What is OutlookSync? What are the system requirements? Can my Webmail be Used on Mobile Devices? Make your calendar Public Calendar Comments 0 comments Article is closed for comments.