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.
Useful OST to PST Converter
OST is an Outlook File which works even without the exchange server. It contains all the MS Outlook mail data. This file got corrupt due to some reasons like power failure or exchange server crash. So, the file becomes corrupt and our data become inaccessible.
In this situation use a promising OST to PST Converter which can give a quick fast recovery without any hassle.
Also, try the demo version to save up to 25 emails per folder.