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OST to PPSM Converter

Convert your ost files to ppsm (powerpoint open xml macro-enabled slide show) online & free

Drag & Drop or Choose a file

Chose OST file
To
Drop file here. 150 MB maximum file size.

No sign-up required. Your files are deleted automatically after 24 hours.


Convert to PPSM   

What did you think of your recent OST conversion? 5 (1454 Votes)

Convert Other OST File

How to Convert PDF to DOCX

  1. Click the "Choose OST File" button and select your OST.
  2. Click “Convert to PPSM”.
  3. Wait a few seconds while we convert your file.
  4. Download the resulting PPSM file instantly.

What is OST?

An OST file is a data file created by Microsoft Outlook (2005 or later), an email client and a manager; personal information. It is used to store a copy of the mailbox information; an Office 365 account, Exchange or Outlook.com. The files may contain e-mails, contacts, tasks, calendar data and other account information.


Read everything about OST file type.

What is PPSM?

A PPSM file is a macro created by Microsoft PowerPoint, a program that allows users to create slideshows and presentations. There is a collection of non-modifiable slides. PPSM files are used for presentation based-only Open XML @ @, like .PPTX files, to share them with d' others.


Read everything about PPSM file type.

More Free Online OST Tools

We have 100% free online OST tools that does not required any registrations and installations on your system, here are few popular free OST tools to View, Convert, Edit, Merge, Split, Compare and manage file metadata online from any device with a modern browser like Chrome, Opera and Firefox.

Frequently Asked Questions

❓ How can I convert OST to PPSM?

Chose or drag & drop your OST file, click Convert to PPSM, and download the PPSM file. No registration needed.

🔐 Are my files secure?

Yes, all uploads are encrypted. Your files are auto-deleted after 24 hours.

📝 Will my formatting be preserved?

Yes, our converter retains layout, fonts, and images as accurately as possible.

⏱️ How long does it take to convert OST to PPSM?

Fileproinfo converter engine works fast. You can convert OST to PPSM in a few seconds to couple of minutes for large size files with complex structure.

Convert from OST

FileProInfo support manay file formats that allow you to convert OST to 100s of file formats, without any limit, registration and downloading, 100% free and online OST converter.

100% Free ost file converter online tools. Other recommended free online ost to ppsm file converter

All converters in this list are manually verified & 100% free and working properly, however you must use these apps according to their respective terms & conditions.

# Tools License Developer
1 OST to PPSM converter Free JeDok.com
1 OST to PPSM converter Free Docpose.com
Browse all file extensions Browse all software programs Browse free online tools

This tool and page updated at: 12-Apr-2025




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