Why OneDrive Reduces Video File Size During Google Photos Import
Question details
The user noticed that video files transferred from Google Photos to OneDrive are significantly smaller, indicating potential compression or quality loss during the import process.

- Product
- OneDrive
- Device & OS
- not provided
- Scenario
- Transferring videos from Google Photos to OneDrive using the Import Cloud Photos and Files feature.
- Observed behavior
- Imported video files are much smaller in size compared to the originals, raising concerns about unexpected compression and loss of video quality.
Before making any changes, ensure you keep an independent, unmodified backup of your original videos in Google Photos or on a local drive to prevent permanent quality loss.
Verify Video Compression and Report the Issue
Check the properties of both the original and imported videos to confirm quality loss, and submit feedback to the OneDrive team to report the compression behavior.
The OneDrive 'Import Cloud Photos and Files' feature sometimes applies automatic compression to video files transferred from Google Photos, which reduces file size but can negatively impact quality.
Log in to Google Photos, locate the original video, and download it directly to your local computer.
Open OneDrive, navigate to the folder containing the imported video, and download it to your computer.
Right-click both files, select 'Properties' (or 'Get Info' on macOS), and compare the Details tab for differences in resolution, bitrate, and duration.
Visit the official Microsoft Feedback Portal for OneDrive and submit a detailed report regarding the unexpected file compression using the Import Cloud Photos and Files tool.

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Frequently Asked Questions
Does OneDrive compress all videos uploaded to it?
No, files uploaded directly to OneDrive from a PC or Mac are generally not compressed. However, using specific tools like the 'Import Cloud Photos and Files' feature from Google Photos has been known to compress media.
How can I transfer videos from Google Photos to OneDrive without losing quality?
The best method is to manually download the videos from Google Photos to your local hard drive, and then upload those downloaded files directly to your OneDrive account.
Can I recover the lost quality of the compressed OneDrive video?
No, once a video has been compressed and its bitrate lowered, you cannot restore its original quality from the compressed file. You must re-import it using the original file from Google Photos.




