Free online OST to PPTM Converter

Convert OST to PPTM online from any device, with a modern browser like Chrome, Opera and Firefox.

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Fast & secure GroupDocs OST to PPTM converter app to convert OST files online & free from any device from Mac OS, Linux, Android, iOs, and anywhere.

You can save the result to PDF, EPUB, XPS, PPT, PPS, PPTX, PPSX, ODP, OTP, POTX, POTM, PPTM, PPSM, FODP, XLS, XLSX, XLSM, XLSB, ODS, XLTX, XLTM, TSV, XLAM, CSV, FODS, DIF, SXC, DOC, DOCM, DOCX, DOT, DOTM, DOTX, RTF, ODT, OTT, MOBI, TXT, MD, TIFF, TIF, JPG, JPEG, PNG, GIF, BMP, ICO, PSD, WMF, EMF, DCM, WEBP, SVG, JP2, EMZ, WMZ, SVGZ or HTML or HTM.

If you want to convert programmatically please check GroupDocs.Conversion documentation.

How to convert OST to PPTM

  • Open free GroupDocs App website and choose GroupDocs.Conversion application.
  • Click inside the file drop area to upload OST file or drag & drop OST file.
  • Click on Convert button. Your OST files will be uploaded and converted to PPTM result format.
  • Download link of result files will be available instantly after conversion.
  • You can also send a link to the PPTM 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.

FAQ

  • ❓ How can I convert OST?
    First, you need to add a file for conversion: drag & drop your OST file or click inside the white area to choose a file. Then click the "Convert" button. When OST to PPTM conversion is completed, you can download your PPTM file.
  • ⏱️ How long does it take to convert OST?
    This converter works fast. You can change OST to PPTM in a few seconds.
  • 🛡️ Is it safe to convert OST to PPTM using free GroupDocs converter?
    Of course! The download link of PPTM 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 OST) is absolutely safe.
  • 💻 Can I convert OST to PPTM on Linux, Mac OS or Android?
    Yes, you can use free GroupDocs converter on any operating system that has a web browser. Our OST to PPTM converter works online and does not require any software installation.
  • 🌐 What browser should I use to convert OST?
    You can use any modern browser to convert OST, for example, Google Chrome, Firefox, Opera, Safari.

OSTOutlook Offline Storage File

OST or Offline Storage Files represent user's mailbox data in offline mode on local machine upon registration with Exchange Server using Microsoft Outlook. It is automatically created on the first use of Microsoft Outlook upon connectivity with 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 email server.

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PPTMMicrosoft PowerPoint Presentation

Files with PPTM extension are Macro-enabled Presentation files that are created with Microsoft PowerPoint 2007 or higher versions. They are similar to PPTX files with the difference that the lateral can't execute macros though they can contain macros. PPTM files can be edited by opening them in Microsoft PowerPoint and updating the contents. Another similar format is PPSM but it is read-only by default and starts the slideshow when opened. PPTM, like PPTX, contains slides for different presentation elements like text, images, videos, graphs and other related material.

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Other Supported Conversions

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

Fast and easy conversion OST to PPTM

Fast and Easy OST to PPTM Converter

Upload your OST to PPTM document, choose the save format type and click on "Convert” button. You will get the download link as soon as the OST to PPTM file is converted

Convert OST to PPTM  from anywhere

Convert OST to PPTM from Anywhere

It works from all platforms including Windows, Mac, Android and iOS. All OST to PPTM files are processed on our servers. No plugin or software installation required for you

Convert OST to PPTM  quality

Conversion Quality

Powered by GroupDocs.Conversion. All OST to PPTM files are processed using GroupDocs APIs