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Convert your OST files online. You can convert your OST documents from any platform (Windows, Linux, macOS). No registration needed. Just drag and drop your OST file on upload form, choose the desired output format and click convert button. Once conversion completed you can download your XLS file.
You even can perform more advanced conversions. For example you can convert password protected documents. Just expand LoadOptions and enter the password of your file. Or you can add a watermark to the converted XLS file. Expand the ConvertOptions and fill the fields for watermarking.
You can convert your OST documents from anywhere, from any machine or even from a mobile device. The OST converter is always available online and is completely free.
OST or Offline Storage Files represent the user's mailbox data in offline mode on the local machine upon registration with Exchange Server using Microsoft Outlook. It is automatically created on the first use of Microsoft Outlook upon connectivity with the server. Once the file is created, the data is synchronized with the email server so that it is available offline as well in case of disconnectivity from the email server.
Read moreFiles with XLS extension represent Excel Binary File Format. Such files can be created by Microsoft Excel as well as other similar spreadsheet programs such as OpenOffice Calc or Apple Numbers. File saved by Excel are known as Workbook where each workbook can have one or more worksheets. Data is stored and displayed to users in table format in worksheet and can span numeric values, text data, formulas, external data connections, images and charts.
Read moreYou can also convert OST into many other file formats. Please see the complete list below.