For Win NT 4.0 you can get DKLITE (Executive Software) disk defragmentation for Win NT 4.0 (build 1381) free [ charge for non-network use). Results of running Diskeeper Lite (Free Version) after running over 24 hours: Diskeeper has completed a defragmentation run on this volume and there remain 22 fragmented files and/or directories and 99 excess fragments. A format in this case means each combination of font characteristics. Font type, font size, font color, interior color, bold, underline, pattern, number format, height, width, etc. Eliminating unused custom cell formats might also help.Documentation: NT 4.0 does not come with a defragmenter. (There were 1339 excess fragments before the defragmentation run, and now there are 92% less.) -- Picture of diskeeperlite result 78KB -- still looks like a mess. The practical limit may be about 3K rather than 4K mentioned in Q213904 -- XL Err Msg: "Too Many Different Cell Formats".
The non existant z: drive left behind interferred with Save As process in ANY Office Application (like in Excel 2003) reported by Huvants Tuneau in email 2005-04-06.Fortunately it just initially calculates how much space you would save by checking certain code lines to delete files and only deletes those types of files when you give it permission to delete all of them.C:\WINNT\PROFILES\userid\Temporary Internet Files From Internet Explorer, Tools, Internet Options, General (tab), Delete files.I think if you have AOL, you will have to protect it by directory in your defragmenter.Since I lost AOL several times I think they have unmovable files.