Out of Disk Space
If the disk on which you are saving your file is out of disk space, refer to the following article in the Microsoft Knowledge Base for steps to solve your problem:
214245�
XL2000: "Disk Is Full" Error Saving Workbook
The Save Process Has Been Interrupted
If the save process has been interrupted, refer to the following article in the Microsoft Knowledge Base for steps to solve your problem:
214073�
XL2000: Temporary File Created When You Save a Document
The Connection to Your Network Server Has Been Lost
If you cannot save your workbook to another location, refer to the following article in the Microsoft Knowledge Base for steps to solve your problem:
230164�
XL2000: Error Saving File After Network Connection has Been Lost