OST to MSG Converter

Convert your ost files to msg (outlook mail message) online & free

What is OST?

An OST file is a data file created by Microsoft Outlook (2005 or later), an email client and a manager; personal information. It is used to store a copy of the mailbox information; an Office 365 account, Exchange or Outlook.com. The files may contain e-mails, contacts, tasks, calendar data and other account information.

What is MSG?

An MSG file is an e-mail, a contact, an-appointment or a task created or saved in Microsoft Outlook. It may contain one or more fields, including date, sender, recipient, subject, body of message, contact details, details of appointment-you and one or more job descriptions. MSG files are compatible with d' other programs that use Microsoft; and s Messaging Applications Programming Interface.

More Free Online OST Tools

We have 100% free online OST tools that does not required any registrations and installations on your system, here are few popular free OST tools to View, Convert, Edit, Merge, Split, Compare and manage file metadata online from any device with a modern browser like Chrome, Opera and Firefox.

OST Converter

Open OST

Edit OST

Compare OST Files

Merge OST Files

Split OST Files

OST Metadata Viewer

Convert from OST

FileProInfo support manay file formats that allow you to convert OST to 100s of file formats, without any limit, registration and downloading, 100% free and online OST converter.

Other recommended free online ost to msg file converter

All converters in this list are manually verified & 100% free and working properly, however you must use these apps according to their respective terms & conditions.

This tool and page updated at: 12-Apr-2025

Listed file converters are from the wide range of online file converter.

These are the most polular file/document converters based on the user's review and usage on the FileProInfo.