Windows 10: cloud file api FAQ

Discus and support cloud file api FAQ in Windows 10 Software and Apps to solve the problem; Based on the introduction from Windows official documentation at https://learn.microsoft.com/en-us/windows/win32/cfapi/build-a-cloud-file-sync-engine... Discussion in 'Windows 10 Software and Apps' started by alan duan1, Jun 27, 2025 at 8:48 AM.

  1. cloud file api FAQ


    Based on the introduction from Windows official documentation at https://learn.microsoft.com/en-us/windows/win32/cfapi/build-a-cloud-file-sync-engine and the Cloud Mirror Sample, we attempted to develop a SyncEngine independently. However, we encountered numerous issues. We believe other developers may face similar challenges, so we have listed them in detail below, hoping that Windows system developers can provide thorough explanations.The article https://learn.microsoft.com/en-us/windows/win32/cfapi/build-a-cloud-file-sync-engine suggests that the Cloud File API compr

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  2. Indexing of a virtual folder (cloud files API) impossible on Windows

    Hello,

    I use Nextcloud which is using the cloud files API (Cloud Sync Engine). In Windows indexing options, I'm usually able to choose which folder to index or not. But I can't see these "virtual" folders (the ones using the cloud files API) when I click on Modify to choose which folder should be indexed. I tested this on Windows 10 and 11.

    Would you have a solution?
     
  3. temp02 Win User
    Java.nio.file - Copying files

    You can't copy a folder, thats why it generates an exception (you are trying to copy a folder using a copy file function).
    You probably need to list all the files inside that folder and copy one by one
     
  4. cloud file api FAQ

    Asphalt 8 Airborne cloud data not sync in Windows 10 PC App

    Hi Thimira,

    Thank you for being a part of Windows 10.

    What do you mean by “it was not synced with cloud data. Every time it does not connected”?

    Try the following steps and check if it helps:

    Step 1:

    I suggest you reset the Windows Sockets and check.

    Follow the below steps:

    • Right click on the Start button and click
      Command Prompt (Admin).
    • In the Command Prompt, type the following command, and then press
      ENTER:
    netsh winsock reset

    If the issue persists then follow the below step.

    Step 2:

    I suggest you reset the Windows firewall and check.

    Follow the below steps:

    • Right click on the Start button and click
      Command Prompt (Admin).
    • In the Command Prompt, type the following command, and then press
      ENTER:
    netsh firewall reset

    If the issue persists then follow the below step.

    Step 3:

    I suggest you to disable proxy and check.

    Follow the below steps:

    • Press Windows + R keys from the keyboard.
    • Type inetcpl.cpl and hit Enter.
    • Click the Connections tab, and then click LAN settings.
    • Uncheck mark the Use a proxy server for your LAN check box.
    Hope this information is helpful. Reply with necessary information and we will be happy to help you further.

    Thank you.
     
    Harshavardhan Rathod, Jun 27, 2025 at 8:55 AM
    #4
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cloud file api FAQ

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