Workbooks.Open Method

Reference

Definition

Namespace:: Microsoft.Office.Interop.Excel

Assembly:: Microsoft.Office.Interop.Excel.dll

Important

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Opens a workbook.

public Microsoft.Office.Interop.Excel.Workbook Open (string Filename, object UpdateLinks, object ReadOnly, object Format, object Password, object WriteResPassword, object IgnoreReadOnlyRecommended, object Origin, object Delimiter, object Editable, object Notify, object Converter, object AddToMru, object Local, object CorruptLoad);

Public Function Open (Filename As String, Optional UpdateLinks As Object, Optional ReadOnly As Object, Optional Format As Object, Optional Password As Object, Optional WriteResPassword As Object, Optional IgnoreReadOnlyRecommended As Object, Optional Origin As Object, Optional Delimiter As Object, Optional Editable As Object, Optional Notify As Object, Optional Converter As Object, Optional AddToMru As Object, Optional Local As Object, Optional CorruptLoad As Object) As Workbook

Parameters

Filename: String

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

UpdateLinks: Object

Optional Object. Specifies the way links in the file are updated. If this argument is omitted, the user is prompted to specify how links will be updated. Otherwise, this argument is one of the values listed in the following table.If Microsoft Excel is opening a file in the WKS, WK1, or WK3 format and the UpdateLinks argument is 2, Microsoft Excel generates charts from the graphs attached to the file. If the argument is 0, no charts are created.

ReadOnly: Object

Optional Object. True to open the workbook in read-only mode.

Format: Object

Optional Object. If Microsoft Excel is opening a text file, this argument specifies the delimiter character, as shown in the following table. If this argument is omitted, the current delimiter is used.

Password: Object

Optional Object. 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: Object

Optional Object. 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: Object

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

Origin: Object

Optional Object. 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: Object

Optional Object. 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: Object

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

Notify: Object

Optional Object. 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: Object

Optional Object. The index of the first file converter to try when opening the file. The specified file converter is tried first; if this converter doesn’t recognize the file, all other converters are tried. The converter index consists of the row numbers of the converters returned by the FileConverters[Object, Object] property.

AddToMru: Object

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

Local: Object

Optional Object. 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 U.S. English unless the VBA project where Workbooks.Open is run from is an old internationalized XL5/95 VBA project).

CorruptLoad: Object

Optional Object. Can be one of the following constants: xlNormalLoad, xlRepairFile, and xlExtractData. The default behavior if no value is specified is usually normal, but may be safe load or data recovery if Excel has already attempted to open the file. The first attempt is normal. If Excel stops operating while opening the file, the second attempt is safe load. If Excel again stops operating, the next attempt is data recovery.

Returns

Workbook

Remarks

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

Applies to

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