---
title: Change history for Microsoft HoloLens documentation
ms.reviewer: 
manager: dansimp
description: This topic lists new and updated topics for HoloLens.
keywords: change history
ms.prod: hololens
ms.mktglfcycl: manage
ms.sitesec: library
author: dansimp
ms.author: dansimp
ms.topic: article
ms.localizationpriority: medium
---

# Change history for Microsoft HoloLens documentation

This topic lists new and updated topics in the [Microsoft HoloLens documentation](index.md).

## April 2019

New or changed topic | Description
--- | ---
[Restore HoloLens 2 using Advanced Recovery Companion](hololens-recovery.md) | New

## November 2018

New or changed topic | Description
--- | ---
[How HoloLens stores data for spaces](hololens-spaces.md) | New

## Windows 10 Holographic for Business, version 1809

The topics in this library have been updated for Windows 10 Holographic for Business, version 1809.


## October 2018

New or changed topic | Description
--- | ---
[Preview new mixed reality apps for HoloLens](hololens-public-preview-apps.md) | Removed, and redirected to [Mixed reality apps](https://docs.microsoft.com/dynamics365/#pivot=mixed-reality-apps)
[Microsoft Remote Assist app](hololens-microsoft-remote-assist-app.md) | Removed, and redirected to [Overview of Dynamics 365 Remote Assist](https://docs.microsoft.com/dynamics365/mixed-reality/remote-assist/)
[Microsoft Dynamics 365 Layout app](hololens-microsoft-dynamics-365-layout-app.md) | Removed, and redirected to [Overview of Dynamics 365 Layout](https://docs.microsoft.com/dynamics365/mixed-reality/layout/)
[Insider preview for Microsoft HoloLens](hololens-insider.md) | Added instructions for opting out of Insider builds.


## July 2018

New or changed topic | Description
--- | ---
Insider preview for Microsoft HoloLens | New (topic retired on release of Windows 10, version 1809)


## May 2018

New or changed topic | Description
--- | ---
[Preview new mixed reality apps for HoloLens](hololens-public-preview-apps.md) | New
[Microsoft Remote Assist app](hololens-microsoft-remote-assist-app.md) | New
[Microsoft Layout app](hololens-microsoft-layout-app.md) | New
[Set up HoloLens in kiosk mode](hololens-kiosk.md) | Added instructions for setting up a guest account for kiosk mode.

## Windows 10 Holographic for Business, version 1803

The topics in this library have been updated for Windows 10 Holographic for Business, version 1803. The following new topics have been added:

- [What's new in Microsoft HoloLens](hololens-whats-new.md)
- [Manage updates to HoloLens](hololens-updates.md)
- [Share HoloLens with multiple people](hololens-multiple-users.md)


## February 2018

New or changed topic | Description
--- | ---
[Unlock Windows Holographic for Business features](hololens1-upgrade-enterprise.md)  | Replaced the instructions for upgrading to Windows Holographic for Business using Microsoft Intune with a link to the new Intune topic.

## December 2017

New or changed topic | Description
--- | ---
[Enable Bitlocker device encryption for HoloLens](hololens-encryption.md) | New

## January 2017

| New or changed topic | Description |
| --- | --- |
| All topics | Changed all references from **Windows Holographic Enterprise** to **Windows Holographic for Business** |