How to access contacts from ost file in outlook? The user can access contacts by converting it into Outlook default file format. Thus, in this write – up, we are going to explain a simple and reliable approach using which the user can convert OST file to PST format and access their contacts. There can be different reasons to pull contacts from OST file.How do i contact oster by phone? Email Call 1-800-334-0759 for Oster Appliances Call 1-800-438-0935 for Oster Breadmakers Call 1-800-339-2547 for Oster ClippersWhat is ost file and how to open ost file? OST files are the offline Outlook data files which are used by Microsoft Exchange Server. Basically, it enables the users to access mail data when the mail server is not available. Sometimes the user needs to pull / extract contacts from OST file. But they are not able to find a way using which they can access their OST file contacts.What is the office of secure transportation ost? The Office of Secure Transportation (OST) is responsible for the safe and secure transport of government-owned special nuclear materials in the contiguous United States. These classified shipments can contain nuclear weapons or components, enriched uranium, or plutonium.