Workbooks.Open Method (Excel)

Opens a workbook.

expression .Open(FileName, UpdateLinks, ReadOnly, Format, Password, WriteResPassword, IgnoreReadOnlyRecommended, Origin, Delimiter, Editable, Notify, Converter, AddToMru, Local, CorruptLoad)

expression A variable that represents a Workbooks object.

Parameters

Name

Required/Optional

Data Type

Description

FileName

Optional

Variant

String. The file name of the workbook to be opened.

UpdateLinks

Optional

Variant

Specifies the way external references (links) in the file, such as the reference to a range in the Budget.xls workbook in the following formula =SUM([Budget.xls]Annual!C10:C25), are updated. If this argument is omitted, the user is prompted to specify how links will be updated. For more information about the values used by this parameter, see the Remarks section. If Microsoft Excel is opening a file in the WKS, WK1, or WK3 format and the UpdateLinks argument is 0, no charts are created; otherwise Microsoft Excel generates charts from the graphs attached to the file.

ReadOnly

Optional

Variant

True to open the workbook in read-only mode.

Format

Optional

Variant

If Microsoft Excel opens a text file, this argument specifies the delimiter character. If this argument is omitted, the current delimiter is used. For more information about the values used by this parameter, see the Remarks section.

Password

Optional

Variant

A string that contains the password required to open a protected workbook. If this argument is omitted and the workbook requires a password, the user is prompted for the password.

WriteResPassword

Optional

Variant

A string that contains the password required to write to a write-reserved workbook. If this argument is omitted and the workbook requires a password, the user will be prompted for the password.

IgnoreReadOnlyRecommended

Optional

Variant

True to have Microsoft Excel not display the read-only recommended message (if the workbook was saved with the Read-Only Recommended option).

Origin

Optional

Variant

If the file is a text file, this argument indicates where it originated, so that code pages and Carriage Return/Line Feed (CR/LF) can be mapped correctly. Can be one of the following XlPlatform constants: xlMacintosh, xlWindows, or xlMSDOS. If this argument is omitted, the current operating system is used.

Delimiter

Optional

Variant

If the file is a text file and the Format argument is 6, this argument is a string that specifies the character to be used as the delimiter. For example, use Chr(9) for tabs, use "," for commas, use ";" for semicolons, or use a custom character. Only the first character of the string is used.

Editable

Optional

Variant

If the file is a Microsoft Excel 4.0 add-in, this argument is True to open the add-in so that it is a visible window. If this argument is False or omitted, the add-in is opened as hidden, and it cannot be unhidden. This option does not apply to add-ins created in Microsoft Excel 5.0 or later. If the file is an Excel template, True to open the specified template for editing. False to open a new workbook based on the specified template. The default value is False.

Notify

Optional

Variant

If the file cannot be opened in read/write mode, this argument is True to add the file to the file notification list. Microsoft Excel will open the file as read-only, poll the file notification list, and then notify the user when the file becomes available. If this argument is False or omitted, no notification is requested, and any attempts to open an unavailable file will fail.

Converter

Optional

Variant

The index of the first file converter to try when opening the file. The specified file converter is tried first; if this converter does not recognize the file, all other converters are tried. The converter index consists of the row numbers of the converters returned by the FileConverters property.

AddToMru

Optional

Variant

True to add this workbook to the list of recently used files. The default value is False.

Local

Optional

Variant

True saves files against the language of Microsoft Excel (including control panel settings). False (default) saves files against the language of Visual Basic for Applications (VBA) (which is typically United States English unless the VBA project where Workbooks.Open is run from is an old internationalized XL5/95 VBA project).

CorruptLoad

Optional

XlCorruptLoad

Can be one of the following constants: xlNormalLoad, xlRepairFile and xlExtractData. The default behavior if no value is specified is xlNormalLoad and does not attempt recovery when initiated through the OM.

Return Value

A Workbook object that represents the opened workbook.

By default, macros are enabled when opening files programmatically. Use the AutomationSecurity property to set the macro security mode used when opening files programmatically.

You can specify one of the following values in the UpdateLinks parameter to determine whether external references (links) are updated when the workbook is opened.

Value

Meaning

0

External references (links) will not be updated when the workbook is opened.

3

External references (links) will be updated when the workbook is opened.

You can specify one of the following values in the Format parameter to determine the delimiter character for the file.

Value

Delimiter

1

Tabs

2

Commas

3

Spaces

4

Semicolons

5

Nothing

6

Custom character (see the Delimiter argument)

The following code example opens the workbook Analysis.xls and then runs its Auto_Open macro.

Workbooks.Open "ANALYSIS.XLS" 
ActiveWorkbook.RunAutoMacros xlAutoOpen


Sample code provided by: MVP Contributor Bill Jelen, MrExcel.com | About the Contributor

The following code example imports a sheet from another workbook onto a new sheet in the current workbook. Sheet1 in the current workbook must contain the path name of the workbook to import in cell D3, the file name in cell D4, and the worksheet name in cell D5. The imported worksheet is inserted after Sheet1 in the current workbook.

Sub ImportWorksheet() 
    ' This macro will import a file into this workbook 
    Sheets("Sheet1").Select 
    PathName = Range("D3").Value 
    Filename = Range("D4").Value 
    TabName = Range("D5").Value 
    ControlFile = ActiveWorkbook.Name 
    Workbooks.Open Filename:=PathName & Filename 
    ActiveSheet.Name = TabName 
    Sheets(TabName).Copy After:=Workbooks(ControlFile).Sheets(1) 
    Windows(Filename).Activate 
    ActiveWorkbook.Close SaveChanges:=False 
    Windows(ControlFile).Activate 
End Sub 

MVP Bill Jelen is the author of more than two dozen books about Microsoft Excel. He is a regular guest on TechTV with Leo Laporte and is the host of MrExcel.com, which includes more than 300,000 questions and answers about Excel.

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