Drop file here. 150 MB maximum file size.
An OTP file is a program included in Apache OpenOffice (formerly OpenOffice.org) that was created by Impress. Includes a master slide as well as a content slide with text, images, shapes, multimedia content, transition effects and other slide elements. The OTP files are used for similarly stylized presentations.
An XLSM file is a macro spreadsheet created by Microsoft Excel, a spreadsheet program that comes with every edition of the Microsoft Office suite. Cell worksheets arranged in rows and columns as well as built-in macros programmed in the Visual Basic for Applications (VBA) language. All XLSM files are saved in the Open XML format introduced in Microsoft Office 2007.
Access powerful and secure free online OTP tools to convert, view, edit, merge, split, and compare OTP files β all without installing any software. Our tools support the .OTP (OpenDocument Presentation Template) file extension and run smoothly in any modern browser.
Select a tool below to explore features and manage your OTP files directly from your device with ease.
Chose or drag & drop your OTP file, click Convert to XLSM, and download the XLSM 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 OTP to XLSM 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 OTP to 100s of file formats, without any limit, registration and downloading, 100% free and online OTP 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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