XL2000: Signature Is Lost When You Send a Workbook That Has a Digitally Signed Project

When you send a Microsoft Excel 2000 workbook that contains a digitally signed macro as an e-mail attachment, the digital signature may be lost. You may also receive the following error message:

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site: Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.The English version of this fix should have the following file attributes or later. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the "Time Zone" tab in the Date and Time tool in Control Panel.After the hotfix is installed, the following file will have the listed attributes or later:

To work around this problem, follow these steps:

1. Click File, click Save as, type a name for the workbook, and then click Save.
   
   This preserves the digital signature.
2. Click File, click Send To, and then click Mail Recipient (as Attachment).