How to fix Microsoft Office error code 0x2-0x0 in Windows

Error 0x2-0x0 appears when Word, Excel, Outlook or another Office app cannot start because a file it needs is missing or blocked. Restart the PC first, then repair Office from Installed apps. If the error comes back minutes after a repair, security software is the most likely cause.

Facts checked on 15 October 2026. Steps written for Windows 11 (25H2 and 26H2) and Windows 10 22H2.

What Office error code 0x2-0x0 means

The code has two parts. The first number, 0x2, is the standard Windows system error 2, ERROR_FILE_NOT_FOUND: something Office tried to open was not there. The second part, 0x0, adds no detail. A close relative, 0x5-0x0, uses Windows error 5, access denied, and often shows up on the same PC.

Microsoft groups these codes under one support page: "Something went wrong" error when you try to start a Microsoft 365 app. The page covers Office 2016 to 2024 and Microsoft 365, and it lists the most common solutions first: restart, repair Office, then uninstall and reinstall. Our fixes follow that order and add the checks Microsoft's page leaves out.

Why error 0x2-0x0 appears, from most to least common

Because 0x2 means a missing file, the question is what removed or hid that file. Find the row that matches what happened on your PC and start with its fix.

Users also report the code after a Windows update or after switching Microsoft 365 plans. In both cases the update or plan change itself does not explain a missing file, and a repair is still the first step.

How to fix Microsoft Office error code 0x2-0x0

Fixes 1 and 2 are Microsoft's own order and work for most readers. Fix 3 is for a repair that will not run. Fix 4 is for Office that fails again minutes after a repair. Fixes 5 and 6 replace Office completely, and Fix 7 tests your Windows profile.

Fix 1. Restart the PC, then run Quick Repair on Office

5 to 10 minutesLow riskEvery Office app shows 0x2-0x0 at start. This is the first fix for nearly everyone.

Microsoft lists a restart and a repair as the most common solutions for Office start-up errors. Quick Repair checks the installed Office files and replaces the damaged or missing ones, which is exactly what error 0x2 points to.

1. Save your work in other programs and restart the PC. Sign in and try the Office app once more.
2. Still failing: right-click Start and select Installed apps (Windows 10: Apps and Features).
3. Find your Microsoft 365 or Microsoft Office entry, select the three dots next to it and choose Modify.
4. Select Yes if Windows asks for permission.
5. In How would you like to repair your Office programs?, choose Quick Repair and select Repair.
6. When it finishes, open Word or Excel again.

The repair covers the whole Office suite, even if only one app fails. Full steps with both Windows versions: How to repair Microsoft 365 or Office

Fix 2. Run Online Repair to replace all Office files

20 to 40 minutesLow riskQuick Repair finished, but 0x2-0x0 still appears.

Quick Repair only replaces files it finds damaged. Online Repair downloads Office again and replaces everything, so it also restores files that are gone. Microsoft recommends it to make sure everything gets fixed.

1. Check that the PC is online and close all Office apps.
2. Open Installed apps again, select the three dots next to your Office entry and choose Modify.
3. Choose Online Repair and select Repair, then confirm.
4. Wait until the repair finishes. Do not shut down the PC during the download.
5. Restart the PC and open the Office app.

Fix 3. Make sure the Microsoft Office Click-to-Run Service is running

5 minutesLow riskThe repair window does not open, stops at once, or Office fails right after a cleanup or tuning tool changed your services.

Microsoft 365 and current Office versions run through Click-to-Run. If its service is stopped or set to Disabled, Office cannot load its own files and fails at start. The service name is ClickToRunSvc.

1. Press Win + R, type services.msc and press Enter.
2. Find Microsoft Office Click-to-Run Service in the list.
3. Double-click it. If Startup type is Disabled, set it to Automatic and select Apply.
4. If Service status says Stopped, select Start, then OK.
5. Open the Office app again. If it still fails, run Fix 1 now that the service runs.

Step by step, with pictures: Check and restart Windows services

Fix 4. Check whether security software removes or blocks Office files

10 to 15 minutesLow riskOffice works for a few minutes after a repair or reinstall and then fails again, or several PCs in a company fail at the same time.

In a case recorded on Microsoft's forum, ten company PCs failed with 0x2-0x0 and 0x5-0x0, and repair and reinstall only helped for minutes. The cause was a conflict with Cisco AMP Secure Endpoint. Security software that quarantines an Office file produces exactly a missing file (0x2) or access denied (0x5).

1. Open Windows Security from the Start menu and select Virus & threat protection > Protection history.
2. Look for recent entries that name Office files, such as files under C:\Program Files\Microsoft Office or C:\Program Files\Common Files\microsoft shared\ClickToRun.
3. If you use another security product, open its quarantine or event log and look for the same folders.
4. If Office files are listed, restore them only if the product confirms they are signed by Microsoft, then repair Office again (Fix 2).
5. On a work PC, send the entries to your IT team. They can add an exclusion for Office in the endpoint product.

Fix 5. Uninstall Office completely and install it again

30 to 45 minutesLow riskOffice folders were deleted, Online Repair failed, or Fix 3 showed the Click-to-Run service is missing.

Microsoft's next step after a failed repair is a full uninstall and reinstall. Its uninstall troubleshooter removes leftover parts that a normal uninstall keeps, and a half-removed Office is a common source of missing files.

1. Find your Office product key or confirm that Office is listed on the Microsoft account that bought it, at account.microsoft.com/services.
2. Open aka.ms/SaRA-officeUninstallFromPC in a browser on the same PC.
3. Select Open if the browser says This site is trying to open Get Help, then follow the prompts.
4. Restart the PC when asked.
5. Sign in at microsoft365.com with the account that owns Office and install it again.

Fix 6. Install Office with the offline installer

30 to 60 minutesLow riskThe normal Office setup fails, stalls, or the reinstall in Fix 5 does not finish.

Microsoft says the offline installer may help bypass proxy, firewall, antivirus or connection problems during installation. It downloads all files first, so nothing is left missing halfway.

1. Sign in at microsoft365.com with the account that owns Office.
2. Open the install options and look for the offline installer download for your version.
3. Save the file, open it and run Setup from the new drive letter it shows.
4. When setup finishes, open Word and sign in with the same account.

Microsoft keeps the exact steps on its page Use the Office offline installer, with a tab for each Office version. Pick the tab that matches your purchase.

Fix 7. Test Office in a new Windows user account

10 minutesLow riskOffice still fails after a repair or reinstall, or it opens for another person on the same PC.

A Microsoft forum moderator suggested a new local account for this exact error. Office keeps part of its settings in each user's profile, so a clean account shows whether the problem is in your profile or in Office itself.

1. Create a new local user account and sign out of yours: Create a new user account to test a problem
2. Sign in to the new account and open Word or Excel.
3. If Office opens there, the problem is in your old profile. Move your files to the new account or ask your IT team to rebuild the profile.
4. If Office fails in the new account too, the cause is Office or security software: return to Fix 4 or Fix 5.

If Office error 0x2-0x0 is still there

When all seven fixes failed, collect these facts before you contact Microsoft support or your IT team. They decide whether the cause is Office, security software or the PC.

If Word opens but then says it was unable to start correctly, that is a different message with its own fixes. See our guide to Sorry, something went wrong and Word was unable to start.

How to avoid error 0x2-0x0 next time

The error starts when Office files go missing, so prevention is about not letting anything remove them.

Frequently asked questions

What does error code 0x2-0x0 mean in Microsoft Office?

It means an Office app could not start because a file it needs was not found. The first part, 0x2, is the Windows code for a missing file, and the second part adds no detail. Microsoft treats it as one of the "Something went wrong" start-up errors, and its fix order is a restart, a repair of Office, then an uninstall and reinstall.

What does 0x2 mean on its own?

0x2 is the number 2 written in hexadecimal, the format Windows uses for error codes. As a Windows error, 2 means the system cannot find the file specified. Searches such as "0x2" or "0x2=" often come from programmers checking a hex value, and that is all the code means there. In Office, 0x2-0x0 is that same missing file error shown by the app at start.

Is "An unknown error has occurred. The error code is: 0x0" the same error?

Not quite. That message shows only 0x0, which in Windows means no specific error code was passed on, so the window says nothing about the cause. We could not confirm which Office window uses that exact wording. If it appears when Word, Excel or Office start or activate, the same order still applies: restart, repair Office (Fix 1 and 2), then sign in again with the account that owns the licence.

Why do I get error 0x0 or 0x2-0x0 in Microsoft Word?

Word shares its program files with the rest of Office, so a missing or blocked shared file stops Word with this code. That is why repairing Word repairs the whole Office suite. If only Word fails while Excel and PowerPoint open, run Quick Repair anyway, then check your security product's quarantine for Word files. Searches in other languages, such as the Swedish "felkod 0x0 word", describe the same error.

Is 0x2-0x0 an Office activation error?

It can appear while you activate, as in the reader's question above, but the code itself points to a missing file, not to a refused licence. Activation errors from Microsoft's servers use other codes, such as 0xC004C060 for a key that is no longer valid. Repair Office first. Once the apps start, sign in with the Microsoft account that owns the licence to activate.

Will I lose my documents if I repair or reinstall Office?

No. Quick Repair, Online Repair and a reinstall replace program files only. Documents in Documents, Desktop or OneDrive stay where they are. You may need to sign in again after a reinstall, and some app settings such as the recent files list or custom ribbon changes can be reset. Back up anything important first if you are unsure, and keep your Office account details at hand.

Why does Office work for a few minutes and then show 0x2-0x0 again?

Something on the PC removes or blocks Office files again after the repair. In a case on Microsoft's forum, company PCs failed this way with 0x2-0x0 and 0x5-0x0, and the cause was a conflict with Cisco AMP Secure Endpoint. Check your security product's quarantine and history (Fix 4), and on a work PC ask IT to add an exclusion for Office.

What is the difference between 0x2-0x0 and 0x5-0x0?

Both come from the same start-up check. 0x2 means a file was not found, and 0x5 means access to a file was denied. Seeing both on one PC, for example 0x2-0x0 in Outlook and 0x5-0x0 in Word, suggests that something is removing some files and locking others. Security software is the first thing to check, then a full reinstall.

Does updating Windows fix error 0x2-0x0?

Not directly. Microsoft's own fix list for this kind of start-up error does not include Windows Update, so this page leaves it out as a main fix. Keeping Windows up to date is still good practice. If the error started right after an update, repair Office first, because the update may have been interrupted while Office files were being changed.