Please Note: This article is written for users of the following Microsoft Excel versions: 2007, 2010, and 2013. If you are using an earlier version (Excel 2003 or earlier), this tip may not work for you. For a version of this tip written specifically for earlier versions of Excel, click here: Making PROPER Skip Certain Words.

Making PROPER Skip Certain Words

by Allen Wyatt
(last updated July 12, 2014)


Terry uses the PROPER worksheet function all the time to change the case of text in his worksheets. He wonders if there is a way to instruct the function to ignore certain words, so that they aren't started with a capital letter. It is not unusual for him to have to go back after using PROPER and change words like "the" or "an" to all lowercase. If PROPER could skip changing such words automatically, it would be a big help.

One way to approach this is to use the SUBSTITUTE worksheet function in conjunction with the PROPER function. For instance, if you wanted to find instances of the word "The" with "the", you could use the following:

=SUBSTITUTE(PROPER(A1)," The "," the ")

Note the inclusion of the space before and after what you are searching for and what you are replacing. This insures that only full words are modified. It also makes sure that no changes are made at the beginning of the cell value or at the end.

If you wanted to search for other words that needed replacing, you can simply increase the number of instances of SUBSTITUTE in the formula:

" the ")," An "," an ")," And "," and ")

This can obviously get a bit awkward if you have a lot of words you want to exclude from being modified. In that case you'll need to resort to using a macro. The following macro, written as a user-defined function, can be used to convert all words in a cell to initial caps (just like PROPER), but make sure that certain defined words are lowercase.

Function Title(ByVal ref As Range) As String
    Dim vaArray As Variant
    Dim c As String
    Dim i As Integer
    Dim J As Integer
    Dim vaLCase As Variant
    Dim str As String

    ' Array contains terms that should be lower case
    vaLCase = Array("a", "an", "and", "in", "is", _
      "of", "or", "the", "to", "with")

    c = StrConv(ref, 3)
    'split the words into an array
    vaArray = Split(c, " ")
    For i = (LBound(vaArray)+1) To UBound(vaArray)
        For J = LBound(vaLCase) To UBound(vaLCase)
            ' compare each word in the cell against the
            ' list of words to remain lowercase. If the
            ' Upper versions match then replace the
            ' cell word with the lowercase version.
            If UCase(vaArray(i)) = UCase(vaLCase(J)) Then
                vaArray(i) = vaLCase(J)
            End If
        Next J
    Next i

  ' rebuild the sentence
    str = ""
    For i = LBound(vaArray) To UBound(vaArray)
        str = str & " " & vaArray(i)
    Next i

    Title = Trim(str)
End Function

To use the macro, all you need to do is use the following in your worksheet:


You can also find an additional approach on accomplishing the desired conversion at this site:

ExcelTips is your source for cost-effective Microsoft Excel training. This tip (10560) applies to Microsoft Excel 2007, 2010, and 2013. You can find a version of this tip for the older menu interface of Excel here: Making PROPER Skip Certain Words.

Author Bio

Allen Wyatt

With more than 50 non-fiction books and numerous magazine articles to his credit, Allen Wyatt is an internationally recognized author. He  is president of Sharon Parq Associates, a computer and publishing services company. ...


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What is four less than 4?

2015-06-04 08:33:57

John K

I'm interested in this, however I can't use macros in my case. Is it possible to use an array formula for this.. i.e. create a table of exclusions, and use that to exclude the specific words?

2015-01-06 18:43:56

Peter Atherton

Here is my version of Title case.

Function Title(ByVal ref As Range, Optional bFormal As Boolean = True) As String
'Thanks to Jim Cone who pointed out that the original function _
did not deal with hyphens & upper case words such as 'IBM' or indeed Mcs and Macs.
'Completed 5 Jan 2015
Dim vaArray As Variant
Dim LLo As Long, LMid As Long, LHi As Long
Dim c As String, sTemp As Variant
Dim i As Integer, iWrdCap As Variant
Dim iPos As Integer, iMc As Integer, _
iMac As Integer, iHyphen As Integer
Dim vaLCase As Variant
Dim Str As String, sChr As String

'Is there a capitalised word in the reference? e.g. IBM or BAE _
if so find out its position for later
sTemp = Split(ref, " ")
iWrdCap = ""
For i = LBound(sTemp) To UBound(sTemp)
If sTemp(i) = StrConv(sTemp(i), vbUpperCase) Then
iWrdCap = i
Exit For
End If
Next i

' Array contains terms that should be lower case
vaLCase = Array("A", "Am", "An", "And", "Be", "Der", "Do", "Du", "In", "Is", _
"Me", "My", "Of", "On", "Or", "She", "Than", "The", "To", "Van", "Von", "We", "with")

If bFormal Then
c = WorksheetFunction.Proper(ref)
c = StrConv(ref, vbProperCase)
End If
'Special Cases
iMac = InStr(1, c, "Mac")
If iMac > 0 Then
Mid(c, iMac + 3, 1) = UCase(Mid(c, iMac + 3, 1))
End If

iMc = InStr(1, c, "Mc")
If iMc > 0 Then
Mid(c, iMc + 2, 1) = UCase(Mid(c, iMc + 2, 1))
End If

iPos = InStr(1, c, "-On-")
If iPos > 0 Then
c = Replace(c, "-On-", "-on-")
End If

iHyphen = InStr(1, c, " - ")
If iHyphen > 0 Then
c = Replace(c, " - ", "-")
End If
'split the words into an array
vaArray = Split(c, " ")

'i ignores the first value - that should be Proper case
For i = 1 To UBound(vaArray)
LLo = LBound(vaLCase)
LHi = UBound(vaLCase)
If Right(vaArray(i), 1) Like "[',.]" Then
sChr = Left(vaArray(i), Len(vaArray(i)) - 1)
sChr = vaArray(i)
End If

'Binary Search for sChr
Do Until LLo > LHi
'Find the midpoint of the array
LMid = (LLo + LHi) 2
If sChr = vaLCase(LMid) Then
'sChr is found so return the location & quit loop
vaArray(i) = LCase(sChr)
Exit Do

ElseIf sChr < vaLCase(LMid) Then
'sFind is higher than mid-point so _
throw away the top half
LHi = LMid - 1
'sFind is lower than than mid-point so _
discard the bottom half
LLo = LMid + 1
End If


Next i

' rebuild the sentence
Str = ""
For i = LBound(vaArray) To UBound(vaArray)
If i = iWrdCap Then
Str = Str & " " & UCase(vaArray(i))
Str = Str & " " & vaArray(i)
End If
Next i

Title = Trim(Str)
End Function

Enter the formula as =Title(a1) to use the application.Proper function as the working basis. or =Title(a1,False) to use visual basic's strConv function.

StrConv will return I'd as I'd where the Proper function returns I'D.

In most cases False is not required.

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