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.
How can I Convert PST file to MBOX file format?
Now you can easily Convert email from Outlook PST to MBOX format if you use this amazing third party tool Regain PST to MBOX Converter. this Software easily Convert Outlook PST file to MBOX file in just few clicks. you can easily maintain the folder hierarchy on the process to Convert PST files to Thunderbird. You can also try this Software free trial version and In free trial version you can also see the preview of all Convertible emails before saving.