- Sign in to the Microsoft 365 portal with your Microsoft account.
- Select Install apps and download the Microsoft 365 installer.
- Run the installer and follow the setup instructions.
- Launch Excel and sign in to activate your license.
- For online workbooks, open the file in Excel for the web, select File > Save As > Download a Copy.
If you have Microsoft 365 access but cannot tell whether you need the Excel app, Excel online, or a workbook download, the correct path depends on your account and your goal. This guide shows how to access Excel through Microsoft 365, install the desktop application on Windows or Mac, or save an Excel file from the web version to your computer.
You can download Excel from Office 365 by signing in to your Microsoft account through the Microsoft 365 portal, selecting Install apps, downloading the Microsoft 365 installer, and completing setup if your subscription includes desktop apps. If you only need to edit spreadsheets in a browser, you can use Excel for the web without installing the desktop application.
Download Excel from Office 365 based on your account
The phrase "download Excel from Office 365" can describe two different tasks: installing the Excel desktop application or downloading an Excel workbook you already created online. Checking which outcome you need first prevents downloading the wrong thing.
A Microsoft 365 subscription may include the Excel desktop application, while some accounts only provide browser-based access. Your available options depend on whether you are using a personal Microsoft account, a school account, a work account, or an organization-managed license.
Start by signing in to the Microsoft 365 portal with the Microsoft account connected to your Microsoft 365 subscription. Look for Install apps. If the option is available, your account may include desktop applications such as Excel, Word, and PowerPoint. If it is missing, the account may not have a desktop app license, or you may be signed in with the wrong account.
To verify your access type, compare what you see after signing in: an Install apps button indicates that the account may include desktop Office apps, while access only through a browser indicates that you may have web-only Excel access. If the option is missing, confirm that the account has an active Microsoft 365 license with desktop apps and that you are using the account connected to that license.
Install the Excel desktop app through Microsoft 365
To install Excel with Microsoft 365, you normally install the Microsoft 365 apps package rather than downloading a separate Excel-only installer. Excel is included with the Office apps installer when the account license allows desktop applications.
Use this general process:
- Open a web browser and sign in to the Microsoft 365 portal using the account that owns or manages the subscription.
- Select Install apps.
- Choose the Microsoft 365 apps option to download the Office apps installer.
- Open the downloaded installer file and follow the setup instructions.
- Launch Excel and sign in with the same Microsoft account to complete license activation.
A successful installation is confirmed when Excel opens and recognizes the account license. If Excel opens but asks you to activate, check that the signed-in account matches the account used to obtain Microsoft 365 access.
Install Excel on a Windows computer
On Windows, the downloaded installer is commonly an Office installer file that starts the Microsoft 365 installation process. After selecting Install apps from the portal, download and run the installer package.
Follow these steps:
- Sign in to the Microsoft 365 portal with your Microsoft account.
- Select Install apps and download the Microsoft 365 apps installer.
- Open the downloaded Office installer file, such as
OfficeSetup.exe. - Allow the installer to make changes to your device when Windows displays a permission prompt.
- Wait for the installation process to finish, then open Excel.
- Sign in inside Excel if activation is requested.
A common failure mode is opening Excel with a different Microsoft account than the one used for the subscription. The diagnostic sign is an activation message even though the app installed successfully.
Install Excel on a Mac computer
The Mac installation process follows the same Microsoft 365 account flow but uses a different installer format. The downloaded package must be opened through macOS before Excel becomes available.
Follow these steps:
- Sign in to Microsoft 365 and select Install apps.
- Download the Microsoft 365 installer for macOS.
- Open the downloaded installer package from Finder or the Downloads folder.
- Follow the macOS installation prompts to install the Office apps.
- Open Excel and sign in with the Microsoft account connected to your license.
If Excel is installed but not activated, check the account shown in Excel. A work or school account may need permission from an organization administrator before desktop apps can be used.
Choose between desktop Excel and web Excel access
Before installing anything, decide whether you need the Excel desktop application or whether Excel for the web is enough. The best option depends on whether you need offline access, local files, or only occasional spreadsheet editing.
Excel Access Options
| Option | Requires subscription | Works offline | Best for |
|---|---|---|---|
| Excel desktop app | Yes (Microsoft 365) | Yes | Users needing offline access or full desktop features |
| Excel for the web | No (free with Microsoft account) | No | Users who only need to edit occasional spreadsheets online |
The difference is not only about installation. Desktop Excel stores an application on your computer, while Excel for the web runs in a browser and commonly uses OneDrive storage for saving and sharing files.
Installing Excel gives you the program; it does not automatically download every workbook stored online. Use Excel for the web when you only need browser access, install desktop Excel when you need an application on your computer, and download a workbook when you need a local copy of an existing spreadsheet.
Check your account’s Excel access type
You can determine your Excel access type by checking what appears after signing in.
Account Access Indicators
| If | Then |
|---|---|
| You see an Install apps button in Microsoft 365 | Your account may include desktop Office apps; continue with the installer steps |
| You can only open Excel in a browser | Use Excel for the web or verify whether another account has the desktop license |
| Excel asks for activation after installation | Confirm the signed-in account matches the Microsoft 365 subscription account |
A practical decision rule is simple: if you need Excel available without an internet connection, install the desktop application. If you only need to edit a spreadsheet occasionally and have internet access, browser-based Excel may be enough.
Match Excel access to your task
Choose the access method based on what you need to accomplish:
- Use Excel for the web when you need quick edits, browser access, or collaboration through online storage.
- Install the desktop Excel application when you need offline work, local file management, or desktop-only features.
- Download a workbook from Excel for the web when you already have a spreadsheet online and need a copy stored on your computer.
Save Excel workbooks from Excel for the web
If your goal is to download an Excel file from Office Online, you do not need to install Excel. You can export the workbook you are editing in the browser.
In Excel for the web, the workbook download option is separate from the app installation option. Installing Excel adds the program, while downloading a workbook creates a copy of an existing file on your computer.
Situation: You edited a workbook in Excel for the web and want a file saved on your computer.
Steps:
- Open the workbook in Excel for the web.
- Select File in the top menu.
- Choose Save As, then select Download a Copy.
- Save the downloaded workbook to a folder on your computer.
Result: A local copy of the workbook is stored on your device, while the original online workbook remains available through Microsoft 365 storage.
Note: Before saving, confirm you have enough storage space and check that the downloaded file format matches how you plan to use the workbook.
This method is the right choice for users who need an Excel file from Office Online without changing the installed apps on the device.
Fix common Excel download and installation problems
Most Excel download problems come from account access, licensing, or device permissions. The correct fix depends on what you see in the Microsoft 365 portal.
If the Install apps option is unavailable, check the account first. A personal Microsoft account, school account, or work account may have different permissions and available apps.
Use this checklist to diagnose missing installation options:
- Verify you are signed in with the Microsoft account connected to the Microsoft 365 license.
- Check whether the account shows an active Microsoft 365 subscription that includes desktop apps.
- Confirm that an organization-managed account has permission to install Office apps.
- Refresh the Microsoft 365 portal after switching accounts.
Another common issue is installing successfully but seeing activation errors afterward. The visible sign is that Excel opens but requests a license or displays an account warning. Reopen Excel settings and confirm the active account.
For users reinstalling Excel from Microsoft 365, remove the previous installation only when needed, then repeat the normal Microsoft 365 installation process. Reinstalling does not create a new license; it only restores the apps available to the existing account.
If you are installing on Windows, confirm that the downloaded installer can run and that Windows allows the setup process to make changes. On Mac, confirm that the downloaded package opens correctly from Finder or Downloads before starting installation.
If the Install apps button is missing today, sign in again with the account that manages the Microsoft 365 subscription and check the portal once more. This action helps identify whether the issue is an account mismatch or a license availability problem before you spend time reinstalling software.
FAQ
Can you download Excel from Office 365?
Yes, you can download Excel from Office 365 if your Microsoft 365 subscription includes desktop apps. Sign in to the Microsoft 365 portal, select Install apps, and follow the installation steps.
How do I download Excel from Office 365 for free?
Excel for the web is free with a Microsoft account and does not require installation. For the desktop app, a paid Microsoft 365 subscription is needed. Sign in to the Microsoft 365 portal and check if your account includes desktop apps.
Can I use Excel online without installing the desktop app?
Yes, Excel for the web allows you to create, edit, and share spreadsheets directly in your browser without installing the desktop app. Simply sign in to your Microsoft account and access Excel online.
Does Microsoft 365 include Excel for Mac?
Yes, Microsoft 365 includes Excel for Mac if your subscription covers desktop apps. Sign in to the Microsoft 365 portal, select Install apps, and download the macOS installer to get Excel on your Mac.
What account is needed to download Excel from Microsoft 365?
You need a Microsoft account with an active Microsoft 365 subscription that includes desktop apps. Sign in to the Microsoft 365 portal with this account to download and install Excel.