Drop file here. 150 MB maximum file size.
An OTT file is a standard OASIS & format document template created by word processors included in the OpenOffice and FreeOffice suite. It contains the default styles and layout of d' a text document. OTT files create .ODT documents with the same appearance and formatting.
A PPSX is a slideshow created by Microsoft PowerPoint or another presentation program, such as OpenOffice Impress or SoftOffice Presentations. There is a collection of slides that are used to read slides. The PPSX files are similar to .PPTX but s' open as a presentation slideshow when double-clicked, instead of d' presentation file.
Access powerful and secure free online OTT tools to convert, view, edit, merge, split, and compare OTT files β all without installing any software. Our tools support the .OTT (OpenDocument Document Template) file extension and run smoothly in any modern browser.
Select a tool below to explore features and manage your OTT files directly from your device with ease.
Chose or drag & drop your OTT file, click Convert to PPSX, and download the PPSX file. No registration needed.
Yes, all uploads are encrypted. Your files are auto-deleted after 24 hours.
Yes, our converter retains layout, fonts, and images as accurately as possible.
Fileproinfo converter engine works fast. You can convert OTT to PPSX in a few seconds to couple of minutes for large size files with complex structure.
FileProInfo support manay file formats that allow you to convert OTT to 100s of file formats, without any limit, registration and downloading, 100% free and online OTT 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.
This tool and page updated at: 12-Apr-2025
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These are the most polular file/document converters based on the user's review and usage on the FileProInfo.