Read and Convert Outlook OST File
Aspose.Email provides an API for reading Microsoft Outlook OST files. You can load an OST file from disk or stream into an instance of the PersonalStorage class and get information about its contents, for example, folders, subfolders, and messages. Microsoft Outlook creates a PST file to store emails in when POP3 or IMAP mail servers are used for downloading messages. It creates an OST file when Microsoft Exchange is the mail server. OST supports larger file sizes than PST files.
Reading OST Files
The process for reading an OST file with Aspose.Email is exactly the same as for reading a PST file. The same code can read both PST and OST files: just provide the correct file name to the PersonalStorage.fromFile() method. The following code snippet shows you how to read OST files.
Converting OST to PST
Try it out!
Convert emails & message archives online with the free Aspose.Email Conversion App.
For performing other operations with OST files, please refer to the following pages:
- Read Outlook PST File and Get Folder and Subfolder Information
- Get Messages Information from an Outlook PST File
- Extract Messages from Outlook PST File and Save to Disk or Stream in MSG Format
- Access Contact Information from Outlook PST File and Save to Disk in MSG Format
Converting PST to OST
Conversion from PST to OST is not supported by Aspose.Email because OST is always created by the Outlook when adding an account and synchronizing with the mail server. The difference between PST and OST files is that PST is only available locally. OST content is also available on the e-mail server. So there is no need to convert PST to OST for local use. But you can import PST into an existing account using the Import/Export wizard in Outlook.