Because of Microsoft Office 365's online activation features, Office apps will not work on computers that are completely cut off from the Internet. Computers must connect to the internet periodically for the software to validate its license.
If you already redeemed a product key, you're simply reinstalling the apps, or you know you have an assigned license through work or school, you can skip ahead and go to the section sign in to download and install Microsoft 365 or Office. However, if this is the first time you're installing Microsoft 365 or Office, you may have some steps to do first. Expand the Learn more section below for more info.
To change from a 32-bit version to a 64-bit version or vice versa, you need to uninstall Microsoft 365 first (including any stand-alone Microsoft 365 apps you have such as Project of Visio). Once the uninstall is complete, sign in again to www.office.com and select Other install options, choose the language and version you want (64 or 32-bit), and then select Install. (See Install Visio or Install Project if you need to reinstall those stand-alone apps.)
For an Office for home product, go to office.com/setup and create a new Microsoft account or sign in with an existing one, then follow the remaining steps on that page such as entering your product key (if you have one). Your account is successfully associated with Microsoft 365 or Office when you see the page, My Office Account followed by your Microsoft account email address, and a button to install the apps. Select the PC or Mac tabs above to help you with the rest of the install process.
After signing in with your work or school account you don't see an option to install the desktop applications on the Microsoft 365 home page, go directly to the Microsoft 365 Software page instead. Select the language and bit-version you want (PC users can choose between 32-bit and 64-bit), and then click Install. See Step 2 and 3 on the PC or Mac tabs above to help you with the rest of the install process.
If you have a subscription to Project Online Professional, Project Online Premium, or Visio Pro, see Install Project, or Install Visio for the steps to install the apps that are part of those subscriptions.
Microsoft 365 or Office won't install: Your computer must be running a supported operating system to install Microsoft 365 or Office. You can find a list of which systems are supported on the system requirements page. For example, your install won't be successful if you're trying to install Microsoft 365 or Office on a computer running Windows Vista or Windows XP operating system. If your computer can't install the full desktop version of Microsoft 365 or Office, try the free Microsoft 365 apps from your browser.
I received an unsupported operating system message: If you got an unsupported operating system error message you may be trying to install Microsoft 365 or Office on an unsupported device such as installing the Mac version of Microsoft 365 Office on a PC or vice versa, or trying to install Microsoft 365 or Office on a Chromebook or other mobile device. See Unsupported operating system error when installing Office or Set up Office apps and email on a mobile device.
If you're the Microsoft 365 admin of an Office for business plan, users in your organization can only install Microsoft 365 using the steps in this topic as long as your plan includes the desktop version of Microsoft 365, and you've assigned the user a license and given them permission to install Microsoft 365 (Manage software download settings in Microsoft 365).
Bring your own device (BYOD) and access your desktop and applications over the internet using an Azure Virtual Desktop client such as Windows, Mac, iOS, Android, or HTML5. Choose the right Azure virtual machine (VM) to optimize performance and leverage the Windows 10 and Windows 11 multi-session advantage on Azure to run multiple concurrent user sessions and save costs.
The Azure portal is your management hub for Azure Virtual Desktop. Configure network settings, add users, deploy desktop apps, and enable security with a few clicks. Set up automated scaling and manage your images efficiently with Azure Shared Image Gallery. Focus on your desktop apps and policies while Azure manages the rest.
Maximize your investments and skills by integrating Azure Virtual Desktop into existing desktop and app virtualization environments with Citrix DaaS for Azure and VMware Horizon Cloud on Microsoft Azure.
Provide remote access to company desktops and apps with an optimized Microsoft 3651 and Microsoft Teams experience for your new and existing dispersed financial employees, contractors, partners, and international workforce.
Optimize costs by saving on licensing, IT infrastructure, hardware refresh deployment, and maintenance of your virtual desktop infrastructure (VDI). Simplify IT management and easily onboard new users with minimal effort.
Safely host health apps for partners, contractors, and remote office workers while remaining compliant with HIPAA and FedRAMP certifications. Prevent theft of Protected Health Information (PHI), patents, technology, and test data with built-in intelligent security.
In this scenario, you install Microsoft 365 Apps on a computer configured as a Remote Desktop Session Host server. This enables multiple users to connect remotely to this computer. The users can each run Office programs, such as Word or Excel, at the same time. The overall process is the same for the Project and Visio desktop apps.
In this scenario, you install Microsoft 365 Apps as part of a client operating system image, such as one running Windows 10. Then, you use RDS and Hyper-V to create a group of virtual machines based on that image. These virtual machines can be shared by multiple users. In RDS, this is known as either a virtual desktop pool or a pooled virtual desktop collection, depending on which version of RDS that you're using.
You can also use RDS to assign a virtual machine to a specific user. RDS calls that a personal virtual desktop. In that scenario, you don't use shared computer activation, because the virtual machine isn't shared among multiple users.
I am aware of an issue with Microsoft where there are problems getting M365 apps -- mainly Outlook -- to launch (post listed below). Microsoft has not posted any solution as of yet, and the workarounds listed in the link seem to reference Win10 devices... not servers.
User personalization layers offer user-based customizations in non-persistent virtual environments. User layers provide users with an experience that mimics that of a dedicated desktop while offering the management and cost savings of a non-persistent Windows image.
Citrix delivers optimization for desktop-based Microsoft Teams using Citrix Virtual Apps and Desktops and Citrix Workspace app. By default, we bundle all the necessary components into the Citrix Workspace app and the Virtual Delivery Agent (VDA).
Current TU students, faculty and staff get Microsoft 365 (OneDrive, Word, Excel, PowerPoint, OneNote, Forms, To Do, etc.) at no cost. To see all apps available through your TU account, sign in and click the "Apps" icon on the sidebar.
I am currently trying to fix an end user that is unable to login to the outlook desktop app. I made a change in ADSI edit and changed the primary proxy addresses SMTP:[email protected] to the domain requested to be used. Then changed the domain in O365 admin to the updated domain. User was able to sign into mobile app and web app but no longer able to sign into the desktop app.I see the following in O365 AdminThis occurred due to 'Keep me signed in' interrupt when the user was signing in.,Due to a configuration change made by your administrator, or because you moved to a new location, you must use multi-factor authentication to access 'resource'.&Strong Authentication is required.
I have since reverted the changed and returned user to the original domain, cleared credential manager, enabled MFA, reinstalled O365, and user still cannot log into desktop app. What else can I check?
Microsoft 365 (M365) is a suite of online and desktop applications, which includes familiar apps like Word, Excel, PowerPoint and more. DoDEA has made Microsoft 365 services available in phases beginning with the Microsoft Teams desktop app, which replaced Skype for chat and meetings.
Microsoft 365 online and desktop applications will be implemented in a layered and phased approach - meaning that apps and services will be rolled out by organizational levels in specific batches.
Local and cloud-based (online) apps and productivity services - Available Now
This includes mobile, desktop and online versions of Office applications (Word, PowerPoint, Excel, etc.) as well as a full suite of online services for email, file storage and collaboration, meetings, and more.
The online apps are convenient. You can open a file quickly, make changes and save those changes in SharePoint or OneDrive automatically. Despite the convenience, if you need to use the desktop app, you can choose that environment from the online environment as follows.
When you know you want to use a desktop app when working most of the time, you can force the issue with a simple setting. If you open the file online, Microsoft 365 will open it in the desktop by default, so you can skip the manual process without worry.
If you opened a file from the local desktop or other non-Box source, you can always save it to Box by using the Save As menu, which provides options to browse to a Box folder and save your file.
You can use Microsoft's Office mobile applications (Word, PowerPoint, and Excel) to create and edit documents stored in Box. All paying Box users must have an Office 365 subscription with access to Microsoft Office iOS apps to make use of this integration.
Files that are opened from Box are saved to Box by default. Office applications have the AutoSave option enabled by default, meaning that your documents will be saved automatically as you edit them. You can disable AutoSave in the menu of your Office apps. If AutoSave is disabled, your changes will be saved to Box whenever you manually tap Save.
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