New Update Microsoft adds video caption and subtitle support for PowerPoint on the web


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Aug 17, 2014
Earlier this year, Microsoft added a way for people who use the PowerPoint presentation app on the web to upload and insert videos in their presentations. This week, Microsoft revealed that the feature had received an upgrade, with users able to add captions and subtitles to their PowerPoint videos.

As the Microsoft 365 Insider blog points out, the ability to add captions and subtitles to PowerPoint videos has a few benefits for people who check out presentations. Some people who may view the PowerPoint event may speak another language, so adding subtitles in that language will be very helpful. People with audio disabilities will appreciate any captions added to the video.

Finally, people who simply want to check out the video quietly without disturbing other people around them will likely use captions or subtitles while viewing the PowerPoint.

The captions and subtitles must be created in the WebVTT format before they are put into the PowerPoint video. Microsoft has its own support site for help in creating the caption files, which can be made with a variety of apps, even with a text-only app like Notepad.


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Apr 21, 2016
The latest update from Microsoft brings the ability to add captions and subtitles to PowerPoint videos on the web. This feature has several benefits for users who view presentations. For instance, if someone speaks a different language, adding subtitles in that language can be very helpful. Additionally, individuals with audio disabilities will greatly appreciate the inclusion of captions in the video.

Another advantage of this feature is that it allows people to watch the video quietly without disturbing those around them. To add captions or subtitles, users need to create them in the WebVTT format. Microsoft provides a support site that offers guidance on creating caption files, which can be done using various apps, including simple text-only applications like Notepad.

Once the captions or subtitles have been created, users can sign into the PowerPoint site with their Microsoft account. From there, they can open a PowerPoint file, select "Insert," then choose "Video," and finally select "Insert Video From (This Device)" to insert the desired local video into the presentation.

This update is a valuable addition to PowerPoint on the web, as it enhances the accessibility and inclusivity of presentations. Users can now easily provide captions and subtitles to their videos, making them more accessible to a wider audience.

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