1. GroupDocs Products
  2. Conversion App
  3. Convert OST to XLSB

OST to XLSB converter

Convert OST to XLSB online from any device with a free converter.

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About Conversion app

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 XLSB 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 XLSB 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.

  • Convert WORD to PDF, EXCEL to PDF, PDF to WORD, POWERPOINT to IMAGE, VSDX to PDF, HTML to DOCX,EPUB to PDF, RTF to DOCX, XPS to PDF, ODT to DOCX, ODP to PPTX and many more document formats
  • Simple way to instant convert OST to XLSB
  • Convert OST from anywhere - it works on all platforms including Windows, MacOS, Android and iOS
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How it works

How to convert OST to XLSB

Step 1
Click inside the file drop area to upload OST file or drag & drop OST file.
Step 2
Click on Convert button. Your OST files will be uploaded and converted to XLSB result format.
Step 3
Download link of result files will be available instantly after conversion.
Step 4
You can also send a link to the XLSB file to your email address.
FAQ

Questions & Answers

OST

Outlook Offline Storage File

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.

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XLSB

Microsoft Excel Binary Spreadsheet File

XLSB file format specifies the Excel Binary File Format, which is a collection of records and structures that specify Excel workbook content. The content can include unstructured or semi-structured tables of numbers, text, or both numbers and text, formulas, external data connections, charts and images. Unlike XLSX (which is based on Open XML file format), the XLSB represents binary Excel workbook file.

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Other Supported Conversions

You can also convert OST into many other file formats. Please see the complete list below.

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APIs available

Convert popular document and image file formats in your app. The GroupDocs.Conversion APIs are available for .NET, Java, and many other platforms and languages.

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