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.
OST to PST Conversion by Using Regain OST to PST Converter
For OST to PST Conversion you can use this Regain OST to PST Converter Software that can Convert your OST file to PST file and other format like: PST, EML, MSG, MBOX, HTML, ICS, VCARD and Office 365 Platform. This Software Easily Repair Corrupt OST file and Recovers emails effectively with contacts, attachments, journals, tasks, posts, appointments, notes from damaged files. This Software Compatible with All Windows OS.
Download this Software free demo version from here: http://www.ostintopstconverter.com