Collating Multiple Sheets into ONE file

This process is fairly simple, provided you know how the code works., I am publishing code here, which you can copy and paste into Excel., after following the given procedure to do so.
Example: If each sheet from different files are to be imported to the current workbook, then following procedure / Code will he helpful.
Where do we USE: If there is a team of 10 people, maintaining excel files the same type of data in a single workbook, in their work.

Procedure

• Press Alt + F11
• Copy Code from here and paste into Code Window
• Place a Command Button on WorkSheet
• Assign this code to the command button
• Compile this code by pressing Alt + D, L

User Activity

• Click on the Command Button
• a File Open Dialog box is displayed
• Select the files that are to be added to the current workbook
• Click OK on the FileOpen Dialog box
• Compile this code by pressing Alt + D, L

Expected OutCome..

Sample Code: