Microsoft KB Archive/233396

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Article ID: 233396

Article Last Modified on 9/27/2007



APPLIES TO

  • Microsoft Office Word 2003
  • Microsoft Word 2002 Standard Edition
  • Microsoft Word 2000 Standard Edition



This article was previously published under Q233396

SUMMARY

This article describes ways you can reduce the risk of infecting Microsoft Word and your documents and templates with macro viruses.

MORE INFORMATION

It is recommended that you use one or more of the following methods to help reduce the possibility of macro virus infection.

Note No one method of protection is a total guarantee that your installation of Microsoft Word will not be affected by a macro virus.

Method 1: Install and update antivirus software

For a long-term solution to macro viruses, install antivirus software that is specifically designed to detect macro viruses.

Note After you install an antivirus software program, you must keep it updated to ensure that new macro viruses are detected and removed. For more information about updating your antivirus software program, please contact your antivirus software vendor.

For information about how to contact your antivirus software vendor, click the appropriate article number in the following list to view the article in the Microsoft Knowledge Base:

65416 Hardware and software vendor contact information, A-K

60781 Hardware and software vendor contact information, L-P

60782 Hardware and software vendor contact information, Q-Z


Method 2: Set a security level in Microsoft Word

Microsoft Word offers the following levels of security to reduce the chances that a macro virus will infect your documents, templates, or add-ins.

' Security level

' Description

Very High Available in Microsoft Office Word 2003. You can only run macros that are installed in trusted locations. All other signed and unsigned macros are disabled. You can disable all macros by setting your security level to Very High and by disabling macros that are installed in trusted locations.
High You can run only macros that have been digitally signed and that you confirm are from a trusted source. Before trusting a source, you should confirm that the source is responsible and uses a virus scanner before signing macros. Unsigned macros are automatically disabled, and Word opens the document without any warning.
Medium Word displays a warning whenever it encounters a macro from a source that is not on your list of trusted sources. You can choose whether to enable or disable the macros when you open the document. If the document might contain a virus, you should choose to disable macros.
Low If you are sure that all the documents and add-ins that you open are safe, you can select this option, which turns off macro virus protection in Word. At this security level, macros are always enabled when you open documents.



Follow these steps in Microsoft Word to change the security level:

  1. On the Tools menu, point to Macro, and then click Security.
  2. On the Security Level tab, select the security level that you want, and then click OK.

Method 3: Lock the global template (Normal.dot)

Follow these steps to lock your global template (Normal.dot) with a password to reduce the possibility of unauthorized access by a macro virus:

  1. On the Tools menu, point to Macro, and then click Visual Basic Editor.
  2. In the Visual Basic Editor, click to select This Document in the Project window.

    Note If the Project window does not appear, click Project Explorer on the View menu.
  3. On the Tools menu, click Project Properties.
  4. On the Protection tab, click to select the Lock project for viewing check box.
  5. Type a password in the Password box.
  6. Type the same password in the Confirm password box.
  7. Click OK.
  8. On the File menu, click Close and return to Microsoft Word.
  9. In Microsoft Word, hold SHIFT and click Save All on the File menu.
  10. If the following message appears, click Yes.

    Changes have been made that affect the global template, Normal.dot. Do you want to save those changes?


REFERENCES

For more information about what to do if you think your computer might be infected with a Word macro virus, click the following article number to view the article in the Microsoft Knowledge Base:

211800 How to deal with a macro virus in Word 2000 or Word 2002


For more information about macro viruses, please see the following Microsoft Web sites:

Microsoft provides third-party contact information to help you find technical support. This contact information may change without notice. Microsoft does not guarantee the accuracy of this third-party contact information.



Additional query words: protect protection protection.doc protecting protects execute only executable inf bug virus viruses

Keywords: kbinfo kbdownload kbtemplate kbvirus KB233396