We recommend that you follow the provided methods in this article in order. However, if you had previously tried one of the methods to resolve this issue and it did not help, you can jump to another method quickly from this list:
In Windows Vista, double-click Programs and Features. In earlier versions of Windows, double-click Add or Remove Programs.
In Windows 7, under Programs, click Uninstall a program.
Click Microsoft Office Edition, and then click Change.
Note In this step and in the following step, the placeholder Edition represents the Microsoft Office edition that is installed on the computer.
In the Microsoft Office Edition dialog box, click Add or Remove Features, and then click Continue.
Expand Office Shared Features, click the icon to the left of Proofing Tools, and then click Run all from My Computer.
Method 2: Enable the Speller EN-US add-in
In Word, click the Office button, and the click WordOptions.
On the left, click Add-Ins.
At the bottom of the Word Options dialog box, in the Manage section, select the drop-down arrow and change the selection from COM Add-ins to Disabled items, and then click Go.
In the Disabled Items dialog box, check to see if Speller EN-US (nlsdata0009.dll) is available in the Select the ones you which to re-enable box.
If Speller EN-US (nlsdata0009.dll) is listed, click it, and then click Enable.
Click Close to exit Disabled Items and click OK to exit Word Options.
Method 3: Enable Check Spelling as you type
Click the Office button and then select WordOptions.
In the Word Options dialog box, select Proofing.
Ensure Check spelling as you type is enabled in the When correcting spelling and grammar in Word section.
Ensure that check boxes are clear in the Exception for section.
Click OK to save and exit Word Options.
Method 4: Select the desired language and clear the "Do not check spelling or grammar" check box
Select the entire Word document.
Click the Review tab.
On the Review tab, click Set Language.
In the Language dialog box, click the language you want and click OK.
If there is a check mark next to the Do not check spelling or grammar check box, click to clear the check box.
Method 5: Use a Fix it to modify the registry
Important This article contains information about how to modify the registry. Make sure that you back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs. For more information about how to back up, restore, and modify the registry, click the following link to view the Windows Online article: