Have Excel automatically timestamp and datestamp your entries and changes.

Publisher:	Data Summer Inc.
Downloads:	2544
Software Type:	Shareware, 19.45
File Size:	3.76M
OS:	Windows All
Update Date:	27 July, 2011

TimeStamp automatically datestamps and timestamps your Excel entries and updates. And if you're sharing a spreadsheet with others, TimeStamp can log who made the changes. In short, with TimeStamp you'll know when each spreadsheet record was last updated and by whom.