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=INDEX(Sheet8:Sheet1300!$A$2:$E$3,,MATCH(B9,Sheet8:Sheet1300!$A$1:$E$1,0))

=HLOOKUP(B9,Sheet7:Sheet1300!$B$1:$F$6,2,0)

I have 1300 sheets and one sheet with phone numbers in the B column on sheet7

In B1of all the sheets i have a phone number

and B2 i have the name

I want to return the name for all phone numbers on sheet 7.

I have used both formulas above and they work but only when referencing one sheet.

=HLOOKUP(B9,Sheet7:Sheet13

I have 1300 sheets and one sheet with phone numbers in the B column on sheet7

In B1of all the sheets i have a phone number

and B2 i have the name

I want to return the name for all phone numbers on sheet 7.

I have used both formulas above and they work but only when referencing one sheet.

The only way I know of to do something like this - looping through sheets - is to use VBA. You might have to use a UDF (User Defined Function) for this.

Install the code in a regular module sheet. Use the fx icon to the left of the formula bar, then pick "User defined functions" from the resulting dropdown. You may then pick the HLookup3D function and enter the parameters in the function wizard. The resulting formula should look like:

=HLookup3D(B9,Sheet7:Sheet

```
Function HLookup3D(LookupVal As Variant, LookupTable, nRow As Long, bExactMatch As Variant) As Variant
'Function works just like HLOOKUP function, except can handle 3-D cell range references
'LookupTable may be single sheet or multi-sheet references to a range of cells _
Enter 3-D ranges just like in a SUM formula: =HLookup3D("Profits",'Sheet 1:Sheet 3'!A1:H7, 2, False)
'LookupVal may be text or number
'Function returns the value from row nRow on first worksheet where there is a match for LookupVal
'Note: there must be only one HLookup3D function in a formula--the wrong answer will be returned if there is more than one.
Dim cel As Range
Dim iFirstCheck As Integer, iLastCheck As Integer, k As Integer
Dim vResults As Variant, vTable As Variant
Dim wbTable As Workbook
On Error Resume Next
Set cel = Application.Caller
If cel Is Nothing Then
HLookup3D = "#NoRange"
Exit Function
End If
vTable = Parse3D(cel.Cells(1), "HLookup3D", 2)
Set wbTable = Workbooks(vTable(0))
iFirstCheck = wbTable.Worksheets(vTable(1)).Index
iLastCheck = wbTable.Worksheets(vTable(2)).Index
If VarType(LookupTable) = 10 Then
For k = iFirstCheck To iLastCheck
vResults = Application.HLookup(LookupVal, wbTable.Worksheets(k).Range(vTable(3)), nRow, bExactMatch)
If Not IsError(vResults) Then Exit For
Next
Else
vResults = Application.HLookup(LookupVal, LookupTable, nRow, bExactMatch)
End If
HLookup3D = vResults
End Function
Private Function Parse3D(FormulaCell As Range, fnName As String, parmIndex As Integer) As Variant
'Parses a formula looking for a specified function. If found, returns a variant array containing four strings: _
workbook name, first worksheet name, last worksheet name and range address
'Function tolerates commas in workbook or sheet names, array constants and range unions
Dim i As Integer, i1 As Integer, i2 As Integer, i3 As Integer, j As Integer, k As Integer, n As Integer
Dim firstSheet As String, frmla As String, lastSheet As String, sPlaceHolder As String, sRange As String, _
sSeparator As String, sSheets As String, sWorkbook As String, s1 As String, s2 As String
Dim nm As Name
Dim wb As Workbook
Dim ws1 As Worksheet, ws2 As Worksheet
sSeparator = "," 'The .Formula property uses a comma as list separator, no matter what the regional setting
sPlaceHolder = "?" 'This can be any character not found in workbook or worksheet names
frmla = FormulaCell.Formula
j = InStr(1, UCase(frmla), UCase(fnName) & "(")
If j > 0 Then
sSheets = Mid(frmla, j + Len(fnName) + 1)
'Eliminate any list separators that might be embedded in the formula
For i = 0 To 4
s1 = Array("'", """", "(", "{", "[")(i)
s2 = Array("'", """", ")", "}", "]")(i)
i1 = InStr(1, sSheets, s1)
Do Until i1 = 0
i2 = InStr(i1 + 1, sSheets, s2)
If i <= 1 And Mid(sSheets, i2, 2) = (s1 & s1) Then i2 = InStr(i2 + 2, sSheets, s1)
If i2 > 0 Then
i3 = InStr(i1, sSheets, sSeparator)
Select Case i3
Case 0
Case Is < i2
sSheets = Left(sSheets, i1) & Replace(Mid(sSheets, i1 + 1, i2 - i1 - 1), sSeparator, sPlaceHolder) & Mid(sSheets, i2)
End Select
i1 = InStr(i2 + 1, sSheets, s1)
End If
Loop
Next
sSheets = Split(sSheets, sSeparator)(parmIndex - 1)
sSheets = Replace(sSheets, sPlaceHolder, sSeparator) 'Restore any list separators that had temporarily been replaced with splaceholder
If Right(sSheets, 1) = ")" Then sSheets = Left(sSheets, Len(sSheets) - 1)
'Test whether parameter is a named range
On Error Resume Next
Set nm = FormulaCell.Parent.Names(sSheets)
If nm Is Nothing Then Set nm = FormulaCell.Parent.Parent.Names(sSheets)
On Error GoTo 0
If Not nm Is Nothing Then sSheets = Mid(nm.RefersTo, 2) 'Delete the initial = sign
sSheets = Replace(sSheets, "''", "'") 'Single quotes embedded within sheet names are doubled up to escape them
k = InStrRev(sSheets, "!")
If k = 0 Then
sRange = sSheets
firstSheet = FormulaCell.Worksheet.Name
lastSheet = FormulaCell.Worksheet.Name
Else
sRange = Mid(sSheets, k + 1)
sSheets = Left(sSheets, k - 1)
k = InStr(1, sSheets, "]")
If k > 0 Then
sWorkbook = Split(sSheets, "]")(0)
If Left(sWorkbook, 1) = "'" Then sWorkbook = Mid(sWorkbook, 2)
If Left(sWorkbook, 1) = "[" Then sWorkbook = Mid(sWorkbook, 2)
sSheets = Split(sSheets, "]")(1)
End If
If Left(sSheets, 1) = "'" Then sSheets = Mid(sSheets, 2)
If Right(sSheets, 1) = "'" Then sSheets = Left(sSheets, Len(sSheets) - 1)
k = InStr(1, sSheets, ":")
If k = 0 Then
firstSheet = sSheets
lastSheet = sSheets
Else
firstSheet = Split(sSheets, ":")(0)
lastSheet = Split(sSheets, ":")(1)
End If
End If
If sWorkbook = "" Then sWorkbook = FormulaCell.Worksheet.Parent.Name
Parse3D = Array(sWorkbook, firstSheet, lastSheet, sRange)
End If
End Function
```

Brad

HLookup3D-Q27646166.xlsm

I extended the capability of these last four functions so they can handle a 3-D range. Doing so requires the use of VBA code in a user-defined function. Unlike similar-purpose code you may find elsewhere, my user-defined functions accept a real 3-D range. They will update automatically whenever anything changes within that range in any of the worksheets. They will not update if worksheets or cells outside that range are changed.

Brad

However, there are formulaic approaches, just for the record, though I start to get a bit cross-sighted, here's one example...

Actually, I believe you can use these conditional functions - or simulate them, anyway. Here's one example using COUNTIF to count the occurrences of the value "5" in A2:E3 of sheets 7:1300 (well, actually SUMPRODUCT to simulate COUNTIF):

Of course, this depends on the sheets actually existing, as opposed to having a starting/ending sheet as your VBA code would entertain, but it can be done.

=SUMPRODUCT(COUNTIF(INDIRE

INDEX/MATCH/etc. MAY also be conducted in a like manner.

Dave

The return value is supposed to be a name, so you need HLOOKUP, INDEX & MATCH, etc.

For example:

=HLOOKUP(B9,INDIRECT("Shee

Major limitation: the formula will fail if there is more than one occurrence of the phone number in Sheet7:Sheet1300!B1:F1

I've revised my sample workbook to include a variation on the above formula to prove that the approach works.

Brad

HLookup3D-Q27646166.xlsm

=HLOOKUP(B9,INDIRECT("Shee

To array-enter a formula:

1) Select the cell and click in the formula bar

2) Hold the Control and Shift keys down

3) Hit the Enter key

4) Release all three keys. Excel should respond by putting curly braces { } surrounding your formula.

You and barry are the best.

Dave

=HLOOKUP(B9,INDIRECT("Shee

Note that HLookup3D returns the first name corresponding to the

And as Dave mentioned, the formula will blow up if even one worksheet in the series Sheet7 through Sheet1300 is missing.

Brad

I'd be interested to know how long it takes for the INDIRECT formula to work in your real workbook with all the phone numbers compared to the HLookup3D function. Could you please post back in this same question with the results?

You can trigger the recalculation by selecting the column of cells with the formula, then replacing all the = sign with another = sign.

Thanks!

Brad

INDIRECT is a volatile function. Any formula containing INDIRECT will recalculate whenever any change is made to an open workbook. So if it takes two minutes to calculate the first time, it should take another two minutes when you type your name in a blank cell. The only way of avoiding this recalc time is to replace all the INDIRECT formulas with the values they returned (Edit...Copy followed by Edit...Paste Special...Values).

The user-defined function, on the other hand, is non-volatile. It will only recalculate when one of its arguments changes value. Furthermore, it quits searching once it finds an answer. So I think it might to be faster than the INDIRECT formula.

Both Dave and I are curious about the speed comparison because we'd like to offer good advice in the future regarding this type of problem. Especially if one way is clearly faster than the other.

Brad

Thanks for being such a good sport and performing the test both ways.

While it might not make any real difference in a one-off question such as you were trying to solve, the next person may need to be making a number of adjustments to the workbook after getting the "answer." In such cases, Dave and I now know that we should be pushing the HLookup3D approach.

The name of the website is Experts Exchange. It's in questions like this one where there was a good trade of information between all participants that the site lives up to its name.

Brad

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You perhaps should have tried:

=HLOOKUP(B9,INDIRECT("'" & INDEX(SheetList,MAX(ROW(IN

Array-entered, of course. SheetList is a named range containing the names of the worksheets to be searched, i.e. Sheet7 through Sheet1300. There may be no blanks within this range, and it is assumed to be arranged as a single column.

This is the first time in my life that I have used INDIRECT three times in a single formula, and I am definitely holding my nose due to the feculence of that formula.

Brad

HLookup3D-Q27646166.xlsm