Upgrading to Microsoft Mouse Driver Version 8.1 (74450)

The information in this article applies to:
    Microsoft MS-DOS operating system 5.0

This article was previously published under Q74450


Microsoft Mouse driver version 8.1 is available to current Microsoft Mouse owners. For information, call Microsoft Sales Information Center (MSIC) at (800) 426-9400.

The version 8.1 driver is available at no charge to Microsoft Mouse owners currently using version 8.0 of the Mouse driver. There is a $25 charge (plus shipping and handling) to upgrade from a driver version earlier than 8.0.

A free version of the driver is made available to MS-DOS 5 Upgrade owners who have Microsoft Mouse driver version 6.2 or earlier and own a Microsoft Mouse. For information about obtaining the driver, call Microsoft MS-DOS product support or Microsoft Sales Information Center (MSIC) at the number above. MOUSE.COM version 7.04 is included with the 5.0a version of MS-DOS 5 Upgrade.


The Microsoft Mouse driver version 8.1 is to be used ONLY with Microsoft mice. Microsoft does not support this driver with other brands of mice.

Modification Type: Major Last Reviewed: 11/21/1999
Keywords: KB74450