Some videos contain multiple files for things like closed captions or subtitles. If you insert a video into PowerPoint and the video container has closed captions, PowerPoint's media player may or may not support playback of closed captions depending on their file format and which version of PowerPoint you're using.
In the table below, you can find the supported file formats for closed captions in PowerPoint. File format support is based on which file formats the operating system can decode and/or parse. The information in the table is not exhaustive and is subject to change.
Notes:
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| PowerPoint for Windows | PowerPoint for Mac | PowerPoint for iPad or iPhone | PowerPoint Mobile |
|---|---|---|---|
| MPEG-4 with CTA 608-E (R2014) | MPEG-4 with ISO/IEC 14496-17:2006 (MPEG-4 Timed Text) | MPEG-4 with ISO/IEC 14496-17:2006 (MPEG-4 Timed Text) | MPEG-4 with CTA 608-E (R2014) |
| MPEG-4 with CTA 708-E | MPEG-4 with CTA 708-E | ||
| MKV with various closed caption formats | MKV with various closed caption formats | ||
| WebVTT Learn more in Add captions or subtitles in PowerPoint |
See also
Accessibility features in video playback on PowerPoint
Set up your device to work with accessibility in Microsoft 365
Make your PowerPoint presentations accessible to people with disabilities
Technical support for customers with disabilities
Microsoft wants to provide the best possible experience for all our customers. If you have a disability or questions related to accessibility, please contact the Microsoft Disability Answer Desk for technical assistance. The Disability Answer Desk support team is trained in using many popular assistive technologies and can offer assistance in English, Spanish, French, and American Sign Language. Please go to the Microsoft Disability Answer Desk site to find out the contact details for your region.
If you are a government, commercial, or enterprise user, please contact the enterprise Disability Answer Desk.
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