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Easily convert your OST files online with no registration required. Convert your OST documents from Windows, Linux, or macOS. Simply drag and drop your file into the upload form, select the desired output format, and click the convert button. Once the conversion is complete, you can download your WMF file.
Depending on the OST file's size and format, conversion may take a few moments, but most files convert quickly. With advanced features, you can convert password-protected documents and have the results sent to your email.
Convert your OST documents anytime, anywhere, on any device—including mobile. Use this conversion app online 24/7—free for basic conversions.
Check our videoAn OST (Outlook Offline Data File) is a file format used by Microsoft Outlook to store a synchronized copy of mailbox data locally, enabling offline access to emails, calendars, contacts, and other items. It is primarily used by Microsoft Outlook and can be accessed or converted using tools like Kernel OST to PST Converter, Stellar Converter for OST, and SysTools OST Viewer. The OST file structure is based on the Messaging Application Programming Interface (MAPI) and supports advanced features like synchronization with Exchange Server, encryption, and data compression for efficient storage and security.
The Windows Metafile (WMF) format is a vector graphics file format developed by Microsoft, primarily used for storing image data and supporting both vector and bitmap components. It is commonly utilized in Windows applications like Microsoft Office, CorelDRAW, and AutoCAD for clipart, logos, and scalable graphics. WMF files consist of a series of records that store drawing commands, enabling scalability and editing, and they support advanced features like transparency, gradients, and complex shapes.
You can also convert OST into many other file formats. Please see the complete list below.