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".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.After clearing out everything imaginable and having been running 190-250MB for a month, I thought I'd clear out the “stored offline” files -- I suddenly had 900MB of free space.Afterwards I went to Favorites, then organize, and used the Arrow DN key to check each exposed folder and single files.In Outlook 97: Tools / Options / Journal / uncheck Microsoft Excel and all other MS Office Products (Select all, delete) In Outlook 98: Tools/Options/Preferences/Journal Options If you try to check Outlook options, you may then start the Outlook installation process, so check your system first with search to see if you have on your system, if you do then check for journalling turned on.
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.
The journaling feature of Outlook logs many actions taking time from Excel, and eventually, the journal files become quite large, and performance is slowed.
The general recommendation in the Excel groups (and MS KB Q167081) is to turn journaling off.
Windows 98 has a utility that will help with many of the above it is called Disk Clean Up and can be found in Programs, Accessories, Utilities from your Windows START button.
Like much of MS software it does not tell you what it is going to do before it starts.