Legaltree Publishing Inc. offers Excel spreadsheets that help get things done more efficiently in the Windows environment. Developed with lawyers in mind, but may be used by anyone.
Project manager reminder / to-do list spreadsheet in Excel
Bulk send emails in Outlook with multiple attachments using Excel (HTML version)
Bulk send emails in Outlook with attachments using Excel (Plain Text Version)
Excel spreadsheet with macros to bulk/batch rename, copy, and move, files in Windows Explorer
Categorizing spreadsheet
Form Builder Spreadsheet - Write data from Excel to Word document templates