Summary: Are you unable to open or play MP4 videos in Microsoft Teams during meetings or chats? Don’t worry. This post shares the 10 best solutions to play videos in Teams on Windows or Mac. It further answers common queries related to MS Teams video problems.
Contents
?I cannot play MP4 videos in Microsoft Teams meeting.?
?Microsoft Teams not playing MP4 video on laptop or phone.?
?PowerPoint videos are not playing in Teams.?
?MP4 videos don?t play audio in Teams.?
?I cannot play MP4 in Teams chat.?
The Covid-19 pandemic marked a spurt in the user base of Microsoft Teams globally, especially among teachers, students, and professionals. The popular communication platform reached 270 million users in 2023, far ahead of others in the arena. However, there are constant hitches reported around MP4 video file sharing, uploading, or playback in Teams. This post intends to bring all the possible methods to fix MP4 videos not playing in Teams.
Why is my MP4 file not playing in Teams?
Undeniably, Microsoft Teams has made online classrooms and virtual office meetings much more engaging and productive with its video sharing feature. However, it can be frustrating, if you cannot play or upload MP4 files in Teams. Let?s look into some possible reasons for MS Teams not playing the video files:
- Your Internet connection is slow.
- Microsoft Teams cache files have accumulated.
- Corrupt cache data of Teams is occupying more cache memory, preventing the video sharing process.
- MP4 file is large – 4k, 5k, or more.
- Video file is corrupt.
How to fix MP4 not playing video in Microsoft Teams ? 10 Methods
Here we bring the 10 best methods, which you can try whenever you?re stuck with MP4 video not playing in Microsoft Teams issue.
1. Check your network connection
If MP4 or other videos are not playing in Teams, ensure you have a good Internet speed and bandwidth. You can disconnect your smartphone and other devices from Wi-Fi when uploading or sharing videos on MS Teams.
2. Clear Microsoft Teams cache
If MP4 videos uploaded into Teams don?t play or there is no audio, try by clearing the cache files. Since the cache files of Microsoft Teams is at multiple locations on your system, it would take a while to clear them.
If you are tech-savvy, create a Power Shell command script to clear all Teams cache data at once:
- First log out of MS Teams
- Open Windows PowerShell
- Use the below code to delete Teams cache files quickly from the system:
Get-ChildItem "C:\Users\*\AppData\Roaming\Microsoft\Teams\*" -directory | Where name -in ('application cache','blob storage','databases','GPUcache','IndexedDB','Local Storage','tmp') | ForEach{Remove-Item $_.FullName -Recurse -Force -WhatIf}
- Again log in to Teams and check if MP4 videos are playing or not.
Alternatively, there?s an easier way to clear Teams cache files on Windows computer:
- Log out of Microsoft Teams.
- Press Windows + R key to open the Run dialog box.
- Enter %appdata%\Microsoft\Teams in the Run dialog box.
- Select OK.
- Delete all files and folders in the %appdata%\Microsoft\Teams directory.
- Restart Teams.
Steps to clear MS Teams cache in macOS:
- Log out of Microsoft Teams.
- In the Finder, go to Applications > Utilities folder.
- Double-click Terminal and enter the following command:
rm -r ~/Library/Application\Support/Microsoft/Teams - Press Return.
- Restart Teams.
3. Download codecs
Some Microsoft Teams users reported MP4 playback issues after upgrading to Windows 11. To fix your video not playing in Teams, try installing codec packs on your computer. You can download K-Lite, Media Player codec pack, etc., from their official site. This should fix MP4 files not playing in Teams on Windows or Mac.
4. Play MP4 file in VLC Player
If Windows 10 or 11 native media players (Windows Media Player or Movies & TV) don?t play recorded MP4 videos in Teams meetings, try VLC Media Player. Usually, MP4 files can smoothly play in VLC Player.
You can play Microsoft Teams pre-recorded videos in VLC Player. Besides, you can even try the player if PowerPoint video is not playing in Teams.
5. Open MP4 file in SharePoint
In case an embedded MP4 video in a PowerPoint slide has no audio or doesn?t play in MS Team, then try to open it using SharePoint.
To do so, open your Microsoft Teams. Click on the Files tab and choose Open in SharePoint option to play MP4 video.
6. Use video repair software
A corrupt video file won?t play in any application, including Microsoft Teams. If you cannot play an MP4 video in Microsoft Teams and other media players, it may be corrupt.
Try to repair corrupt, distorted, or inaccessible MP4 files using Stellar Repair for Video software. Simply download its Windows or Mac version as per your system. It is an extremely simple tool. Just add the corrupt MP4 files and select the ?Repair? option. Once the repair process finishes, preview and save the video at any location on your computer. Next, play the repaired MP4 video in Microsoft Teams.
Click for step-by-step how to repair MP4 files using Stellar Repair for Video.
7. Use MS Teams in web browser
If you cannot play MP4 videos in Microsoft Teams on phone or desktop app on laptop, try using its browser client. Microsoft Teams on Web lets you chat, share files, make audio/video calls. You can access the Teams web app in Chrome, Microsoft Edge, Firefox, and Safari browsers, but not in Internet Explorer.
8. Upload MP4 video file through Stream
Video of file size over 250 GB won?t upload to Teams directly. It is more likely to show error. Alternatively, use Stream to share your large-sized MP4 video.
Here?s how you can use Stream to open video in Teams:
- Upload your MP4 file to Stream and copy the video URL.
- Open Teams, click on the + icon.
- In Add a tab window,click on Stream to add it to your Teams channel.
- Next, in the Stream window, paste the MP4 video URL into the direct link box.
- Click Save. Now, select the Play button and check if it works.
9. Compress MP4 video
Microsoft Teams supporting video format includes MP4 along with MOV, AVI, WAV, WEBM, WMA, BMP, HEVC, M2TS, M4V, MKV, MOV, MP4V, MTS, TS, WMV, 2GP, 3G2, 3GP, 3GPP, and ASF. However, often high-quality 1080p 4k or 5k video may take time to upload or fail to upload in Teams.
A way around this is to compress such large-sized videos before sharing on Teams. You can use any secure video compressor tool to compress the large video file without losing quality.
10. Open Teams on another laptop
If none of the above methods helps, it might be a hardware issue. To confirm, take another laptop. Sign into Teams and open the MP4 files. Does this work fine? If yes, then it?s not a Teams glitch but hardware issue, probably related to audio or video graphic drivers.
Wrapping Up & FAQ
If Microsoft Teams can?t play MP4 videos, there are various techniques and workarounds to fix the issue. You can clear Teams cache files or download the MP4 codecs. If these don?t work, check if your video file is not corrupted. You can use Stellar Repair for Video to fix corrupt MP4 files and play them in Teams. If the MP4 problem continues in Teams, you can bypass the issue by playing the video via VLC Player, OneDrive, SharePoint, or directly in the Teams web app.
1. I cannot upload a video to Teams. It says the file is too large. Is there a workaround to play a large video in Teams?
If you cannot upload a video to Teams or an embedded PowerPoint video doesn?t play, check the file size. As of now, Microsoft Teams limits the file size for upload to 250 GB while for a PowerPoint file to 2 GB. Try sharing the video via OneDrive or SharePoint. You can also try to compress the recorded video and then share in Teams.
2. How do I share a video with audio in a Microsoft Teams meeting?
By default, Teams doesn?t play shared videos with audio on Windows. However, you can share a video with audio by following the below steps:
- During the online meeting, click on the Share (up arrow) icon.
- In the Share content settings, turn on Include computer sound to add the system audio in the shared videos.
3. Why I am not able to open a recorded meeting in Teams?
If you can?t open the recorded meeting video in Teams, it could be because Stream is disabled or the participant who recorded the meeting isn?t authorized to use Stream by the meeting admin. Make sure the meeting admin has enabled the file upload policy.
