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Office Web Apps deployment simplified

What is Office Web Apps Server?

Office Web Apps Server is an Office server product that provides browser-based file viewing and editing services for Office files. Office Web Apps Server works with products and services that support WOPI, the Web app Open Platform Interface protocol. These products, known as hosts, include SharePoint 2013, Lync Server 2013, and Exchange Server 2013.

An Office Web Apps Server farm can provide Office services to multiple on-premises hosts, and you can scale out the farm from one server to multiple servers as your organization's needs grow. Although Office Web Apps Server requires dedicated servers that run no other server applications, you can install Office Web Apps Server on virtual machine instances.

It is easier to deploy and manage Office Web Apps within your organization now that it is a stand-alone product. If you deploy SharePoint 2013, for example, you no longer have to optimize the SharePoint infrastructure to support Office Web Apps, which in earlier versions was tightly integrated with SharePoint Server 2010. You can also apply updates to the Office Web Apps Server farm separately and at a different frequency than you update SharePoint 2013, Exchange Server 2013, or Lync Server 2013. Having a standalone Office Web Apps Server farm also means that users can view or edit Office files that are stored outside SharePoint 2013, such as those in shared folders or other websites. This functionality is provided by a feature known as Online Viewers.

Office Web Apps then and now

SharePoint

Office Web Apps

2010

SharePoint Office Web Apps

SharePoint Office Web Apps

SharePoint Office Web Apps

SharePoint Office Web Apps

Exchange 3rd

Party Viewer

Lync PowerPoint 2007

SharePoint Office Web Apps

2013

SharePoint

Lync

SharePoint SharePoint

OOffffiiccee WWeebb AAppppss

SSeerrvveerr

Open from URL

SharePoint

SharePoint

Exchange

Office Web Apps Server host capabilities and the user experience

Host Office

Capabilities

Web Apps

SharePoint 2013

Users can view and, in some cases, edit Office documents in SharePoint libraries by using a supported web browser on computers and on many mobile devices, such as Windows Phones, iPhones, iPads, and Windows 8 tablets.

The following illustration summarizes the viewing and editing capabilities of Office Web Apps on different kinds of devices.

Supports Editing & Viewing

Supports Viewing

PCs & Macs

Internet Explorer Firefox Chrome Safari

Tablets & Slates

Windows iOS

Smart Phones

Windows iOS Android

Phones

Any browserenabled phone

Optimized for touch screens

User Experience

Document preview in SharePoint 2013 library or search results



Office Web App when opened from SharePoint 2013

//Contoso-My.personal/sanjay_contoso_com/_layout

Exchange Server 2013

Users of Outlook Web App can preview Office file attachments by using Word Web App, Excel Web App, and PowerPoint Web App. These previews provide rich, full-fidelity viewing of Office files and any comments within them, without downloading the files before viewing them.

Office Web Apps Server won't be used to render any attachments in IRM protected messages.

Office Web Apps Server integration for attachment previews is available to all Exchange Online customers. Exchange on-premises customers have to deploy Office Web Apps Server to enable the functionality.

Attached files in an email shown in Outlook Web App with Exchange 2013 configured to use Office Web Apps Server

Outlook Web App preview of Excel document

Lync Server 2013

Users can present and view PowerPoint presentations in Lync 2013 on many different devices. Lync Server 2013 now uses standard DHTML and JavaScript to broadcast PowerPoint presentations instead of customized DHTML and Silverlight.

Also, users who have appropriate permissions can scroll through and view any slide they wish during the presentation, without affecting the presentation.

PowerPoint presentation broadcast in Lync 2013 configured to use Office Web Apps Server

How Office Web Apps Server works

A key part of the new integration model is a new public WOPI API that Office Web Apps Server uses to communicate with hosts. Office Web Apps Server fetches and manipulates files using the WOPI API. We often refer to Office Web Apps Server as a WOPI App. Hosts must recognize WOPI requests from WOPI apps.

Here's an example of the data flow between the browser, SharePoint Server 2013, and Office Web Apps Server.

Browser WOPIFrame WordViewer

SharePoint

WOPI

Office Web Apps Server usage scenarios

WOPI Source AccessToken

OOffficiceeWWeebb AAppppssSSeerrvveerr

1 Katie clicks the preview link in a Word email attachment in Outlook Web App

2

5

Exchange Server 2013

Internet Corporate intranet

1 Sanjay opens an Excel workbook from a SharePoint document library

2

Dual homed Hardware Load Balancer

\ Firewall

5

1 Pilar attends an online Lync Meeting where a PowerPoint presentation is being shared by the meeting presenter

2

5

SharePoint 2013

3 4

3 4

3 4

Office Web Apps Server farm

Lync Server 2013

How WOPI works:

1 The user wants to view or open a document that is stored on a host that runs Exchange Server 2013,

SharePoint 2013, or Lync Server 2013.

2 The host directs the browser to a special page that contains an IFRAME that connects to a page on

Office Web Apps Server.

3 The page initiates a request to Office Web Apps Server. The request includes the file name, access

token, and the URL of the file location on the host. Office Web Apps Server responds to the request by getting the document from the host and then

4 5 rendering the document in the IFRAME. The user can then view or edit the document in the web

browser.

Deployment process

Prepare the environment

On all servers that will run Office Web Apps Server

1

2

Create the farm

On each server to join the farm

5a

Connect the hosts

On separate servers

6

7

.exe

KB

Install prerequisite features, Windows roles, and services

Install Office Web Apps Server, updates, and language packs

3

Configure a load balancer

(for multiserver farms)

4

Obtain a certificate (for HTTPS scenarios)

Create the farm on the first server

5b

Add other servers to the farm

Connect SharePoint 2013 to the farm

8

Connect Exchange 2013 to the farm

9

Connect Lync 2013 to the farm

Connect custom WOPI host to the farm

Video demo: see how it's done

To watch a demonstration of how to setup Office Web Apps Server and configure SharePoint 2013 to use Office Web Apps for a test environment, scan the QR code with your smart phone or tablet.

This video covers procedures that are performed on two servers: the server that runs Office Web Apps Server, and the server that runs SharePoint 2013. Remember that these must always be separate servers as described in the software, hardware, and configuration requirements for Office Web Apps Server.

The high-level steps to follow along with this video are described in the TechNet article Overview of Office Web Apps and how they work on-premises with SharePoint 2013.

? 2014 Microsoft Corporation. All rights reserved. To send feedback about this documentation, please write to us at feedork@.

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