Can those other PCs use the CELL() function with any of the other arguments?
"address" Reference of the first cell in reference, as text.
"col" Column number of the cell in reference.
"color" 1 if the cell is formatted in color for negative values;
otherwise returns 0 (zero).
"contents" Value of the upper-left cell in reference; not a formula.
"filename" Filename (including full path) of the file that contains
reference, as text. Returns empty text ("") if the worksheet that contains
reference has not yet been saved.
"format" Text value corresponding to the number format of the cell.
The text values for the various formats are shown in the following table.
Returns "-" at the end of the text value if the cell is formatted in color
for negative values. Returns "()" at the end of the text value if the cell
is formatted with parentheses for positive or all values.
"parentheses" 1 if the cell is formatted with parentheses for positive
or all values; otherwise returns 0.
"prefix" Text value corresponding to the "label prefix" of the cell.
Returns single quotation mark (') if the cell contains left-aligned text,
double quotation mark (") if the cell contains right-aligned text, caret (^)
if the cell contains centered text, backslash (\) if the cell contains
fill-aligned text, and empty text ("") if the cell contains anything else.
"protect" 0 if the cell is not locked, and 1 if the cell is locked.
"row" Row number of the cell in reference.
"type" Text value corresponding to the type of data in the cell.
Returns "b" for blank if the cell is empty, "l" for label if the cell
contains a text constant, and "v" for value if the cell contains anything
else.
"width" Column width of the cell rounded off to an integer. Each unit
of column width is equal to the width of one character in the default font
size.