Office installed with Click-to-Run and Windows Installer on same ...
Learn how to resolve errors related to running Office installed by Click-to-Run and Windows Installer (MSI).
Applies To:
Office 2024, Office 2021, Office 2019, Office 2016, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, Click2Run, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
Overview of diagnostic log files for Office - Microsoft Support
These log files can be sent to Microsoft automatically if you have chosen to enable the collection and processing of optional diagnostic data by Microsoft. Note that even when you’ve enabled the processing of optional diagnostic data, Microsoft may not always collect these log files.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Project Online Desktop Client, Visio Plan 2, Excel 2024, PowerPoint 2024, Project Professional 2024, Project Standard 2024, Excel 2021, Word 2021, PowerPoint 2021, Project Professional 2021, Project Standard 2021, Visio Professional 2021, Visio Standard 2021, Excel 2019, Word 2019, PowerPoint 2019, Project Professional 2019, Project Standard 2019, Visio Professional 2019, Visio Standard 2019
Repair an Office application - Microsoft Support
Depends on your Microsoft 365 or Office installation type (Click-to-run or MSI-based), you'll see the following options to proceed with the repair. Follow the steps for your installation type. Repair broken Office app installations.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2024, Word 2024, Outlook 2024, PowerPoint 2024, Access 2024, OneNote 2024, Project Professional 2024, Project Standard 2024, Visio Professional 2024, Visio Standard 2024, Office 2024, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, Office 2016, Microsoft 365 for home, Microsoft365.com, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, InfoPath 2013, Microsoft Office, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
Uninstall Microsoft 365 or Office from a PC - Microsoft Support
Not sure which type of install you have? If you have a Click-to-Run or an MSI installation, uninstall Microsoft 365 using the Control Panel or download the uninstall support tool. Use the uninstall troubleshooter to uninstall Microsoft 365, Office 2021, Office 2019, or Office 2016 from your Windows PC.
Applies To:
Office 2024, Office 2021, Office 2019, Office 2016, Microsoft 365 for home, Microsoft365.com, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
Classic Outlook and Microsoft 365 applications crashing on Windows ...
Fixes or workarounds for recent issues in classic Outlook for Windows.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Visio Plan 2, Microsoft365.com, Microsoft Office
Command-line switches for Microsoft Office products
Starts Word and opens a read-only copy of a document that is stored on a Microsoft Windows SharePoint Services site. The site must be on a computer that is running Word 2007 or later or Windows SharePoint Services 2.0 or later. Note: If the document is checked out to you, the /h switch has no effect. Word opens the file so that you can edit it.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, Excel 2024, Word 2024, Outlook 2024, PowerPoint 2024, Access 2024, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016
February 2026 updates for Microsoft Office - Microsoft Support
We recommend that you install all updates that apply to you. To download an update, select the corresponding Knowledge Base article in the following list.
Office 2010 Click-to-Run: Introduction - Microsoft Support
With Click-to-Run, it is easier to always be running the latest and most secure version of Office. Click-to-Run gets the latest version right away instead of having to get updates immediately, which can take another 60 minutes over the Internet.
Applies To:
Excel 2010, Word 2010, Outlook 2010, PowerPoint 2010, OneNote 2010
How to install Office with Click-to-Run in Office for the web programs
You can install a free trial of Microsoft Office 2010 with Click-to-Run, which is a program that streams Office to your computer. With Click-to-Run you can begin using your Office programs while they are being downloaded and installed. The free trial is a way for you to evaluate Office 2010 for a limited time with no payment.
Applies To:
Excel Web App, Word Web App, OneNote Web App
Windows cannot find "c:\program files\microsoft office\root\office16 ...
Windows cannot find "c:\program files\microsoft office\root\office16\outlook.exe" Make sure you typed the name correctly, and then try again. This issue may occur for any Office application and for other non-Office applications.
Applies To:
Office 2021, Office 2019, Office 2016, Microsoft 365 for Windows