User Guide Tutorials VB6 tutorials Tutorial 27: How to protect Excel file with password in VB6 How to protect Excel file with password in VB6
EasyXLS Excel library can be used to export Excel files in VB6. The library is a COM+ component that works without MS Excel installed.
Step 1: Download and install EasyXLS Excel Library for COM+
To download the trial version of EasyXLS Excel Library, press the below button:
If you already own a license key, you may
login and download EasyXLS from your account. Step 2: Verify if EasyXLS is registered
Check if EasyXLS component is present in Component Services.
Step 3: License file setup
Step required for EasyXLS v9.0 or later.
If you are using a trial, generate a trial license file from EasyXLS trials page. The trial license is valid for 30-days. If you own a license key, you may login to the account that purchased the license and generate the license file from: https://www.easyxls.com/my-orders Setup the license file into your project using these guidelines. Step 4: Run VB6 code that protects Excel file with password and encryption
Execute the following VB6 code that creates a password protected Excel file.
Begin VB.Form Form1
Caption = "Form1"
ClientHeight = 4590
ClientLeft = 60
ClientTop = 345
ClientWidth = 6885
LinkTopic = "Form1"
ScaleHeight = 4590
ScaleWidth = 6885
StartUpPosition = 3
Begin VB.Label Label1
AutoSize = -1
Height = 100
Left = 120
TabIndex = 0
Top = 120
Width = 100
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Form_Load()
Me.Label1.Caption = "Tutorial 27" & vbCrLf & "---------------" & vbCrLf
Set workbook = CreateObject( "EasyXLS.ExcelDocument")
workbook.easy_addWorksheet_2 ( "First tab")
workbook.easy_addWorksheet_2 ( "Second tab")
workbook.easy_getOptions().setPasswordToOpen ( "password")
Me.Label1.Caption = Me.Label1.Caption & vbCrLf & _
"Writing file C:\Samples\Tutorial27 - protect Excel with password and encryption.xlsx"
workbook.easy_WriteXLSXFile ( "C:\Samples\Tutorial27 - protect Excel with password and encryption.xlsx")
If workbook.easy_getError() = "" Then
Me.Label1.Caption = Me.Label1.Caption & vbCrLf & "File successfully created."
Me.Label1.Caption = Me.Label1.Caption & vbCrLf & "Error: " & workbook.easy_getError()
Overloaded methods For methods with same name but different parameters, only the first method overload retains the original name. Subsequent overloads are uniquely renamed by appending to the method name '_2', '_3', etc (method, method_2, method_3), an integer that corresponds to the order of declaration that can be found in EasyXLS.h, a file that comes with EasyXLS installation.