Free Online PST to OTP Converter

Convert PST to OTP documents online from any device, with a modern browser like Chrome, Opera and Firefox.

Discover GroupDocs.Conversion free online app!

PSTPersonal Storage File

Files with .PST extension represent Outlook Personal Storage Files (also called Personal Storage Table) that store variety of user information. User information is stored in folders of different types that include emails, calendar items, notes, contacts, and several other file formats. PST files are used for archiving emailing data offline that can be later loaded and viewed in various applications.

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OTPOrigin Graph Template

Files with .OTP extension represent presentation template files created by applications in OASIS OpenDocument standard format. The contents of such a file include presentation information in the form of slides with text, images, shapes, multimedia content, transition effects and other slide elements. These template files are used for creating new presentations quickly based on the styling information stored in the template itself. OTP files can be created and saved with several different applications such as Impress that comes with OpenOffice suite and Microsoft PowerPoint. The OTP file format is similar to Microsoft PowerPoint template files .POT and .POTX.

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How to convert PST to OTP

  • Open free GroupDocs App website and choose GroupDocs.Conversion application.
  • Click inside the file drop area to upload PST file or drag & drop PST file.
  • Click on Convert button. Your PST files will be uploaded and converted to OTP result format.
  • Download link of result files will be available instantly after conversion.
  • You can also send a link to the OTP file to your email address.
  • Note that file will be deleted from our servers after 24 hours and download links will stop working after this time period.


  • ❓ How can I convert PST?
    First, you need to add a file for conversion: drag & drop your PST file or click inside the white area to choose a file. Then click the "Convert" button. When PST to OTP conversion is completed, you can download your OTP file.
  • ⏱️ How long does it take to convert PST?
    This converter works fast. You can change PST to OTP in a few seconds.
  • 🛡️ Is it safe to convert PST to OTP using free GroupDocs converter?
    Of course! The download link of OTP files will be available instantly after conversion. We delete uploaded files after 24 hours and the download links will stop working after this time period. No one has access to your files. File conversion (including PST) is absolutely safe.
  • 💻 Can I convert PST to OTP on Linux, Mac OS or Android?
    Yes, you can use free GroupDocs converter on any operating system that has a web browser. Our PST to OTP converter works online and does not require any software installation.
  • 🌐 What browser should I use to convert PST?
    You can use any modern browser to convert PST, for example, Google Chrome, Firefox, Opera, Safari.

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Other Supported Conversions

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

PST TO EML (E-Mail Message File)
PST TO MSG (Microsoft Outlook Email Format)
PST TO PDF (Portable Document)
PST TO EPUB (Digital E-Book File Format)
PST TO XPS (Open XML Paper Specification)
PST TO TEX (LaTeX Source Document)
PST TO PPT (PowerPoint Presentation)
PST TO PPS (Microsoft PowerPoint Slide Show)
PST TO PPTX (PowerPoint Open XML Presentation)
PST TO PPSX (PowerPoint Open XML Slide Show)
PST TO ODP (OpenDocument Presentation File Format)
PST TO POTX (Microsoft PowerPoint Open XML Template)
PST TO POTM (Microsoft PowerPoint Template)
PST TO PPTM (Microsoft PowerPoint Presentation)
PST TO PPSM (Microsoft PowerPoint Slide Show)
PST TO XLS (Microsoft Excel Binary File Format)
PST TO XLSX (Microsoft Excel Open XML Spreadsheet)
PST TO XLSM (Microsoft Excel Macro-Enabled Spreadsheet)
PST TO XLSB (Microsoft Excel Binary Spreadsheet File)
PST TO ODS (Open Document Spreadsheet)
PST TO XLTX (Microsoft Excel Open XML Template)
PST TO XLTM (Microsoft Excel Macro-Enabled Template)
PST TO TSV (Tab Separated Values File)
PST TO XLAM (Microsoft Excel Macro-Enabled Add-In)
PST TO CSV (Comma Separated Values File)
PST TO DOC (Microsoft Word Document)
PST TO DOCM (Microsoft Word Macro-Enabled Document)
PST TO DOCX (Microsoft Word Open XML Document)
PST TO DOT (Microsoft Word Document Template)
PST TO DOTM (Microsoft Word Macro-Enabled Template)
PST TO DOTX (Word Open XML Document Template)
PST TO RTF (Rich Text File Format)
PST TO ODT (Open Document Text)
PST TO OTT (Open Document Template)
PST TO TXT (Plain Text File Format)
PST TO MD (Markdown)
PST TO TIFF (Tagged Image File Format)
PST TO TIF (Tagged Image File Format)
PST TO JPG (Joint Photographic Expert Group Image File)
PST TO PNG (Portable Network Graphic)
PST TO GIF (Graphical Interchange Format File)
PST TO BMP (Bitmap File Format)
PST TO ICO (Microsoft Icon File)
PST TO PSD (Adobe Photoshop Document)
PST TO WMF (Windows Metafile)
PST TO EMF (Enhanced Metafile Format)
PST TO WEBP (Raster Web Image File Format)
PST TO SVG (Scalable Vector Graphics File)
PST TO JP2 (JPEG 2000 Core Image File)
PST TO EMZ (Enhanced Windows Metafile Compressed)
PST TO WMZ (Windows Metafile Compressed)
PST TO HTML (Hyper Text Markup Language)
PST TO MHT (MIME Encapsulation of Aggregate HTML)
PST TO MHTML (MIME Encapsulation of Aggregate HTML)