The Mixed Reality Forums here are no longer being used or maintained.
There are a few other places we would like to direct you to for support, both from Microsoft and from the community.
The first way we want to connect with you is our mixed reality developer program, which you can sign up for at https://aka.ms/IWantMR.
For technical questions, please use Stack Overflow, and tag your questions using either hololens or windows-mixed-reality.
If you want to join in discussions, please do so in the HoloDevelopers Slack, which you can join by going to https://aka.ms/holodevelopers, or in our Microsoft Tech Communities forums at https://techcommunity.microsoft.com/t5/mixed-reality/ct-p/MicrosoftMixedReality.
And always feel free to hit us up on Twitter @MxdRealityDev.
HoloToolKit-Unity Example for OneDrive usage?
Can the HoloToolKit-Unity team provide an example of using FilePicker / XAML to open and save onto OneDrive (i.e. drive service).
There have been a number of postings by HoloLens developers over time asking about the use of onedrive with Unity on the HoloLens. This is because there are useful apps where hiding the data from them in Unity's Application.persistentDataPath where Unity's file io operations are supported is not a user solution.
There is one partial example of using StorageFile in the HoloToolkit code for saving meshes in MeshSaver.cs
There are many posts about these onedrive / Unity / HoloLens developer issues, here are a few: