Going back to Will's question - Where is the data you are pasting into the Excel sheet coming from (where did you copy it from).
If it is plain text - like coming from a file like "filename.txt", then I'm really not sure why the earlier solution is not working.
If you are copying the data from another Excel sheet or another spreadsheet / database program and the data in that program is actually in time format, then you are not really copying "4:35" but the time value (the decimal time as you called it) so that is the only thing that the clipboard has to paste in the cell - regardless of how its formatted.
If that is the case, you will have to convert the time value to a text string BEFORE you copy and paste it.
If that can't be done, you can paste it into excel as the time value, then convert it to text, then copy and paste values on the text to get rid of the conversion formula - - see the following sheet with formulas
.....Ralph
<SCRIPT language=JavaScript src="http://www.interq.or.jp/sun/puremis/colo/popup.js"></SCRIPT><CENTER><TABLE cellSpacing=0 cellPadding=0 align=center><TBODY><TR><TD style="BORDER-RIGHT: #000000 0.5pt solid; BORDER-TOP: #000000 0.5pt solid; BORDER-LEFT: #000000 0.5pt solid" bgColor=#0c266b colSpan=5><TABLE width="100%" align=center border=0><TBODY><TR><TD align=left><FONT color=white>Microsoft Excel - Book2</FONT></TD><TD style="FONT-SIZE: 9pt; COLOR: #ffffff; FONT-FAMILY: caption" align=right>___Running: xl2002 XP : OS = Windows XP </FONT></TD></TR></TBODY></TABLE></TD></TR><TR><TD style="BORDER-RIGHT: #000000 0.5pt solid; BORDER-LEFT: #000000 0.5pt solid; HEIGHT: 25px" bgColor=#d4d0c8 colSpan=5><TABLE width="100%" align=center border=0 VALIGN="MIDDLE"><TBODY><TR><TD style="FONT-SIZE: 10pt; COLOR: #000000; FONT-FAMILY: caption">(<U>F</U>)ile (<U>E</U>)dit (<U>V</U>)iew (<U>I</U>)nsert (<U>O</U>)ptions (<U>T</U>)ools (<U>D</U>)ata (<U>W</U>)indow (<U>H</U>)elp <A onclick=show_popup(); href="#javascript:void(0)">(<U>A</U>)bout</A></TD><TD vAlign=center align=right><FORM name=formCb605117><INPUT onclick='window.clipboardData.setData("Text",document.formFb202339.sltNb447362.value);' type=button value="Copy Formula" name=btCb942116></FORM></TD></TR></TBODY></TABLE></TD></TR><TR><TD style="BORDER-RIGHT: #000000 0.5pt solid; BORDER-LEFT: #000000 0.5pt solid" bgColor=white colSpan=5><TABLE border=0><TBODY><TR><FORM name=formFb202339><TD style="WIDTH: 60px" align=middle bgColor=white><SELECT onchange="document.formFb202339.txbFb150492.value = document.formFb202339.sltNb447362.value" name=sltNb447362><OPTION value='=TEXT(A3,"h:mm")' selected>B3</OPTION></SELECT></TD><TD align=right width="3%" bgColor=#d4d0c8><B>=</B></TD><TD align=left bgColor=white><INPUT size=80 value='=TEXT(A3,"h:mm")' name=txbFb150492></TD></FORM></TR></TBODY></TABLE></TD></TR><TR><TD style="BORDER-RIGHT: #000000 0.5pt solid; BORDER-TOP: #000000 0.5pt solid; BORDER-LEFT: #000000 0.5pt solid; BACKGROUND-COLOR: #d4d0c8" align=middle width="2%"><BR></TD><TD style="BORDER-RIGHT: #000000 0.5pt solid; BORDER-TOP: #000000 0.5pt solid; FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: menu; BACKGROUND-COLOR: #d4d0c8" align=middle><CENTER>A</CENTER></TD><TD style="BORDER-RIGHT: #000000 0.5pt solid; BORDER-TOP: #000000 0.5pt solid; FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: menu; BACKGROUND-COLOR: #d4d0c8" align=middle><CENTER>B</CENTER></TD><TD style="BORDER-RIGHT: #000000 0.5pt solid; BORDER-TOP: #000000 0.5pt solid; FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: menu; BACKGROUND-COLOR: #d4d0c8" align=middle><CENTER>C</CENTER></TD><TD style="BORDER-RIGHT: #000000 0.5pt solid; BORDER-TOP: #000000 0.5pt solid; FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: menu; BACKGROUND-COLOR: #d4d0c8" align=middle><CENTER>D</CENTER></TD></TR><TR><TD style="BORDER-TOP: #000000 0.5pt solid; FONT-SIZE: 10pt; BORDER-LEFT: #000000 0.5pt solid; COLOR: #000000; FONT-FAMILY: menu; BACKGROUND-COLOR: #d4d0c8" align=middle width="2%"><CENTER>1</CENTER></TD><TD style="BORDER-RIGHT: #000000 0.5pt solid; BORDER-TOP: #000000 0.5pt solid; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom; BORDER-LEFT: #000000 0.5pt solid; COLOR: #000000; BORDER-BOTTOM: #000000 0.5pt solid; FONT-FAMILY: Arial; BACKGROUND-COLOR: #ffff00; TEXT-ALIGN: center">Time Formatted</TD><TD style="BORDER-RIGHT: #000000 0.5pt solid; BORDER-TOP: #000000 0.5pt solid; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom; COLOR: #000000; BORDER-BOTTOM: #000000 0.5pt solid; FONT-FAMILY: Arial; BACKGROUND-COLOR: #ffff00; TEXT-ALIGN: center">Text Converted</TD><TD style="BORDER-RIGHT: #000000 0.5pt solid; BORDER-TOP: #000000 0.5pt solid; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom; COLOR: #000000; BORDER-BOTTOM: #000000 0.5pt solid; FONT-FAMILY: Arial; BACKGROUND-COLOR: #ffff00; TEXT-ALIGN: center">Pasted Value</TD><TD style="BORDER-RIGHT: #000000 0.5pt solid; BORDER-TOP: #000000 0.5pt solid; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom; COLOR: #000000; BORDER-BOTTOM: #d4d0c8 0.5pt solid; FONT-FAMILY: Arial; BACKGROUND-COLOR: #ffffff; TEXT-ALIGN: right"> </TD></TR><TR><TD style="BORDER-TOP: #000000 0.5pt solid; FONT-SIZE: 10pt; BORDER-LEFT: #000000 0.5pt solid; COLOR: #000000; FONT-FAMILY: menu; BACKGROUND-COLOR: #d4d0c8" align=middle width="2%"><CENTER>2</CENTER></TD><TD style="BORDER-RIGHT: #d4d0c8 0.5pt solid; FONT-SIZE: 8pt; VERTICAL-ALIGN: bottom; BORDER-LEFT: #000000 0.5pt solid; COLOR: #000000; BORDER-BOTTOM: #d4d0c8 0.5pt solid; FONT-FAMILY: Arial; BACKGROUND-COLOR: #ffffff; TEXT-ALIGN: left">This number is Time</TD><TD style="BORDER-RIGHT: #d4d0c8 0.5pt solid; FONT-SIZE: 8pt; VERTICAL-ALIGN: bottom; COLOR: #000000; BORDER-BOTTOM: #d4d0c8 0.5pt solid; FONT-FAMILY: Arial; BACKGROUND-COLOR: #ffffff; TEXT-ALIGN: left">This is =TEXT(A3,"h:mm")</TD><TD style="BORDER-RIGHT: #d4d0c8 0.5pt solid; FONT-SIZE: 8pt; VERTICAL-ALIGN: bottom; COLOR: #000000; BORDER-BOTTOM: #d4d0c8 0.5pt solid; FONT-FAMILY: Arial; BACKGROUND-COLOR: #ffffff; TEXT-ALIGN: left">This is Copy B3 - Paste Values to C3</TD><TD style="BORDER-RIGHT: #000000 0.5pt solid; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom; COLOR: #000000; BORDER-BOTTOM: #d4d0c8 0.5pt solid; FONT-FAMILY: Arial; BACKGROUND-COLOR: #ffffff; TEXT-ALIGN: right"> </TD></TR><TR><TD style="BORDER-TOP: #000000 0.5pt solid; FONT-SIZE: 10pt; BORDER-LEFT: #000000 0.5pt solid; COLOR: #000000; FONT-FAMILY: menu; BACKGROUND-COLOR: #d4d0c8" align=middle width="2%"><CENTER>3</CENTER></TD><TD style="BORDER-RIGHT: #d4d0c8 0.5pt solid; FONT-WEIGHT: bold; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom; BORDER-LEFT: #000000 0.5pt solid; COLOR: #0000ff; BORDER-BOTTOM: #d4d0c8 0.5pt solid; FONT-FAMILY: Arial; BACKGROUND-COLOR: #ffffff; TEXT-ALIGN: right">4:35</TD><TD style="BORDER-RIGHT: #d4d0c8 0.5pt solid; FONT-WEIGHT: bold; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom; COLOR: #0000ff; BORDER-BOTTOM: #d4d0c8 0.5pt solid; FONT-FAMILY: Arial; BACKGROUND-COLOR: #ffffff; TEXT-ALIGN: right"><A onclick="document.formFb202339.sltNb447362.options[0].selected=true; document.formFb202339.txbFb150492.value = document.formFb202339.sltNb447362.value;" href="#javascript:void(0);">4:35</FONT></A></TD><TD style="BORDER-RIGHT: #d4d0c8 0.5pt solid; FONT-WEIGHT: bold; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom; COLOR: #0000ff; BORDER-BOTTOM: #d4d0c8 0.5pt solid; FONT-FAMILY: Arial; BACKGROUND-COLOR: #ffffff; TEXT-ALIGN: right">4:35</TD><TD style="BORDER-RIGHT: #000000 0.5pt solid; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom; COLOR: #000000; BORDER-BOTTOM: #d4d0c8 0.5pt solid; FONT-FAMILY: Arial; BACKGROUND-COLOR: #ffffff; TEXT-ALIGN: right"> </TD></TR><TR><TD style="BORDER-TOP: #000000 0.5pt solid; FONT-SIZE: 10pt; BORDER-LEFT: #000000 0.5pt solid; COLOR: #000000; FONT-FAMILY: menu; BACKGROUND-COLOR: #d4d0c8" align=middle width="2%"><CENTER>4</CENTER></TD><TD style="BORDER-RIGHT: #d4d0c8 0.5pt solid; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom; BORDER-LEFT: #000000 0.5pt solid; COLOR: #000000; BORDER-BOTTOM: #d4d0c8 0.5pt solid; FONT-FAMILY: Arial; BACKGROUND-COLOR: #ffffff; TEXT-ALIGN: right"> </TD><TD style="BORDER-RIGHT: #d4d0c8 0.5pt solid; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom; COLOR: #000000; BORDER-BOTTOM: #d4d0c8 0.5pt solid; FONT-FAMILY: Arial; BACKGROUND-COLOR: #ffffff; TEXT-ALIGN: right"> </TD><TD style="BORDER-RIGHT: #d4d0c8 0.5pt solid; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom; COLOR: #000000; BORDER-BOTTOM: #d4d0c8 0.5pt solid; FONT-FAMILY: Arial; BACKGROUND-COLOR: #ffffff; TEXT-ALIGN: right"> </TD><TD style="BORDER-RIGHT: #000000 0.5pt solid; FONT-SIZE: 10pt; VERTICAL-ALIGN: bottom; COLOR: #000000; BORDER-BOTTOM: #d4d0c8 0.5pt solid; FONT-FAMILY: Arial; BACKGROUND-COLOR: #ffffff; TEXT-ALIGN: right"> </TD></TR><TR><TD style="BORDER-RIGHT: #000000 0.5pt solid; BORDER-TOP: #808080 0.5pt solid; BORDER-LEFT: #000000 0.5pt solid; BORDER-BOTTOM: #000000 0.5pt solid; BACKGROUND-COLOR: #d4d0c8" colSpan=5><TABLE width="100%" align=left VALIGN="TOP"><TBODY><TR><TD style="BORDER-RIGHT: #000000 0.5pt solid; BORDER-TOP: #808080 0.5pt solid; BORDER-LEFT: #000000 0.5pt solid; WIDTH: 120pt; BORDER-BOTTOM: #000000 0.5pt solid; BACKGROUND-COLOR: #ffffff" align=left><U>Sheet1</U></TD><TD> </TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE><BR><FONT color=#339966 size=1>[HtmlMaker 2.41] </FONT><FONT color=#339966 size=1>To see the formula in the cells just click on the cells hyperlink or click the Name box</FONT><BR><FONT color=red size=1>PLEASE DO NOT QUOTE THIS TABLE IMAGE ON SAME PAGE! OTHEWISE, ERROR OF JavaScript OCCUR.</FONT></CENTER>