Fix Office 2013 That Only Works in Safe Mode

Updated 9 November 2026 · Standard formula, shown below

If Office 2013 opens only in Safe Mode, an add-in, startup setting, or damaged Office file is often preventing a normal launch. Start by disabling add-ins, then repair Office if the problem continues; Safe Mode is a diagnostic workaround, not a permanent fix.

What Safe Mode Tells You

Office applications such as Word, Excel, and Outlook have safe-start options that open the program with selected customizations or extensions disabled. For example, you can start Word with winword /safe from the Windows Run dialog, or Excel with excel /safe. Outlook has its own outlook /safe command. Use the command for the application that is failing.

If the application works in Safe Mode but not when launched normally, that is useful evidence: the core program can start under reduced conditions, while something loaded during a regular startup may be at fault. It does not prove an add-in is the cause, and it does not establish that every Office component is healthy. A damaged document, profile, installation, or Windows component can also be involved.

Safe Mode may disable add-ins, templates, custom settings, or other startup behavior, depending on the application. It can help you troubleshoot, but it may not provide the normal features you need. Don’t treat repeatedly launching in Safe Mode as the repair.

Disable Add-Ins and Test

Third-party add-ins are a common cause of Office startup problems. Disable them in the affected application, close it, and try opening it normally. In Word or Excel, use these steps:

Open the application in Safe Mode. Press Windows key + R, enter winword /safe or excel /safe, and press Enter. If Windows cannot find the command, try the application’s shortcut or locate the executable; the command may not work from every environment.
Select File > Options > Add-ins.
At the bottom, look at Manage. Choose COM Add-ins, then select Go. Clear the checkboxes for enabled add-ins and select OK.
Close the application and start it normally. If it now opens, re-enable add-ins one at a time, restarting between tests, to identify the one associated with the failure.

Word and Excel may also load templates or add-ins from startup folders, so clearing the COM Add-ins list does not rule out every extension. If the application still fails, continue with the other checks rather than assuming you have found the cause. For Outlook, the add-in controls are also under File > Options > Add-ins, though its startup and profile behavior differs from Word and Excel.

Check Startup Files and Custom Settings

A customized template or file that loads automatically can interfere with startup. In Word, a problem with the global template or a file in the Word Startup folder may cause a normal launch to fail. In Excel, files in startup locations can open automatically and trigger a failure.

First, test with add-ins disabled as described above. If that makes no difference, consider whether the problem began after installing an extension, changing a template, or adding a file to an Office startup folder. Temporarily move a suspected user-created file out of the startup location, rather than deleting it, and test again. The location varies by application and Windows setup; avoid moving files you do not recognize from system folders.

If the issue occurs only with one document or workbook, try opening a different, known-good file. A failure limited to one file points toward that file or its contents rather than a general Office startup problem. Make a copy before attempting recovery or editing.

Repair the Office Installation

If disabling add-ins and checking startup files do not help, repair Office from Windows. The exact labels differ between Windows versions and installation types, but the usual route is through the installed-apps list:

Close all Office applications.
Open Windows Settings and go to Apps or the installed-apps list. On some Windows versions, the route is Control Panel > Programs > Programs and Features.
Select the Office 2013 installation and choose Change or Modify, if available.
Choose the offered repair option and follow the on-screen instructions. If a quick repair is available, try it first; use the more comprehensive online repair option only if it is offered and the initial repair does not resolve the issue.

Repair choices vary because Office 2013 could be installed through different setup methods. An online repair may require an internet connection and can take longer. Save work and close Office before starting. After the repair finishes, restart Windows if prompted and test a normal launch.

Check Updates, Windows, and Outlook Profiles

Office 2013 is an older release, and its support ended on April 11, 2023. It no longer receives routine security updates from Microsoft. This does not mean an old installation automatically stops working, but it does mean it is increasingly important to consider software compatibility and security when deciding whether to keep using it.

If the problem began after a Windows or Office change, note what changed and whether other Office applications are affected. Install available updates through the update mechanisms available to your system, but do not assume an update will fix a damaged installation. If only Outlook is affected, a damaged Outlook profile or data file may be relevant. Before creating a new profile or changing mail settings, make sure you know the account configuration and have access to any needed credentials; workplace accounts may require help from an administrator.

For a work computer, check with IT before changing managed add-ins, profiles, or installation settings. Organizations may control Office configuration centrally, and a local change can be reversed or interfere with required tools.

When to Reinstall or Seek Help

Consider reinstalling Office only after trying less disruptive steps, and make sure you can reinstall and activate the licensed copy before removing it. Keep any installation media or account information needed for your particular license. If the repair option is unavailable, fails, or repeatedly leaves Office unable to start, contact your organization’s support team or consult Microsoft’s installation guidance for the relevant setup type.

Give a support person useful details: which Office application fails, whether Safe Mode works, the exact message shown, whether other applications are affected, and what changed before the problem started. Avoid downloading unofficial repair utilities or replacing Office files with copies from unknown sources.

Frequently Asked Questions

Why does Office 2013 work only in Safe Mode?
Safe Mode starts the application with some add-ins and custom startup behavior disabled. If normal startup fails, an add-in, template, startup file, or damaged Office component may be involved, but Safe Mode alone does not identify the exact cause.

How do I start Word 2013 in Safe Mode?
Press Windows key + R, type winword /safe, and press Enter. For Excel, use excel /safe; for Outlook, use outlook /safe.

Will disabling add-ins delete them?
No. Clearing an add-in’s checkbox disables it; it does not normally uninstall it. Re-enable items one at a time to test them, unless your organization manages the add-ins.

Should I keep using Office in Safe Mode?
It is useful for diagnosis, but not ideal as a long-term workaround because customizations and features may be unavailable. Find and address the startup cause if possible.

Does Office 2013 still receive support?
No. Microsoft support for Office 2013 ended on April 11, 2023, including routine security updates. Consider whether a supported Office version is more appropriate for your needs.

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