unable to upload captures to xbox live on pc.

The best way to keep those clips is, install the Xbox app on your laptop or pc. Then on your console go to your captures and upload them to one drive and upload them to live. Then go to the Xbox app on pc or laptop click on the captures and scroll through
what is live and download the clips to your pc or laptop in a file.

What you need to do is copy your captures to the captures folder on Windows 10, should be in your videos folder. Then launch the Xbox app, select captures, then select this pc, and your captures should be listed, select the capture you want to upload, and
give it a name, and choose the game it's for, and select upload. Once it is uploaded it will take a few hours to go on the xbox live feed.

Game pics/captures that haven’t had any views or engagement may be deleted at some point, you might want to back up your pics. If you wish to keep certain captures permanently, You should save them to OneDrive or an external drive for example. I will list the steps below regarding this matter. Also if you have reached capacity for storage of captures on Xbox Live, it will delete the oldest ones first to make room for the new ones uploaded.

To back up your pics/ capture you need to:

Upload captures from Xbox Live to OneDrive from your console

1. Press the Xbox button to open the guide, then go to Broadcast & capture.
   
2. Select Recent captures > See All.
   
3. Select the list view button on the right to display your captures in a list.
   
4. Select the check box next to the captures you want to upload.
   
5. Select the Upload to OneDrive button to begin uploading.
   

Upload captures from Xbox Live to Google Drive from your PC

1. Open the Xbox app on your PC.
   
2. Sign in to the app using your Microsoft account.
   
3. Select the Captures icon on the left menu panel.
   
4. Select On Xbox Live to view captures you’ve uploaded to Xbox Live.
   
5. Select the Download button to download the captures locally to your PC. These will be stored in the Videos folder on your C drive.
   
6. Upload your local files to Google Drive or another storage location
   

Thank you for your answer. I know how to upload captures from my xbox. I wanted to know, how to upload them from my PC to XBox Live.

I downloaded the XBox Console Companion App and there one can read, that uploading screenshots from PC to XBox Live is currently not possible.

Because game pics that haven’t had any views or engagement may be deleted at some point, you might want to back up your pics. You can do this from your console or your PC.

Upload captures from Xbox Live to OneDrive from your console

1. Press the Xbox button
   to open the guide, then go to Broadcast & capture.
2. Select Recent captures > See All.
3. Select the list view button on the right to display your captures in a list.
4. Select the check box next to the captures you want to upload.
5. Select the Upload to OneDrive button to begin uploading.

Upload captures from Xbox Live to Google Drive from your PC

1. Open the Xbox app on your PC.
2. Sign in to the app using your Microsoft account.
3. Select the Captures icon on the left menu panel.
4. Select On Xbox Live to view captures you’ve uploaded to Xbox Live.
5. Select the Download button to download the captures locally to your PC. These will be stored in the Videos folder on your C drive.
6. Upload your local files to Google Drive or another storage location

Captures recorded to an external drive can’t be uploaded to Xbox Live from your console. To upload from an external drive to Xbox Live, follow these steps:

1. Plug a USB 3.0 (or faster) drive into your console.
   
   Note The USB drive must be formatted as NTFS. You can’t use the same drive that games are installed on, which is formatted differently.
2. Press the Xbox button
   to open the guide.
3. Go to System > Settings > System >
   Storage.
4. Go to your external drive and select Set as capture location.
5. Your game clips and screenshots will be recorded to your external drive. To revert, set your internal drive as your capture location.