New file format for Mixed Reality headsets makes saving much faster

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Important

This content is archived and is not being updated. For the latest documentation, see Microsoft Dynamics 365 product documentation. For the latest release plans, see Dynamics 365 and Microsoft Power Platform release plans.

We updated our save file format so that saves happen much faster and result in smaller saved files (.mslt). Old files will be automatically updated to this new format when they’re saved for the first time. The new format works with the February and later updates.