Rohit Motghare

To incorporate Solver in Excel, first enable the Solver Add-In by navigating to "File" > "Options" > "Add-Ins" > "Excel Add-ins," and check the "Solver Add-in" box before clicking "OK." Once activated, access Solver in the "Data" tab. Click on the "Solver" icon to open the Solver Parameters dialog box. Here, define the objective cell, set constraints for variables, select the solving method, and adjust Solver options. Clicking "Solve" initiates Solver to find a solution that aligns with your specified criteria. Upon completion, review the results to keep the solution or revert to the initial values based on Solver's findings. Solver proves effective for optimizing scenarios such as financial planning, resource allocation, and scheduling by dynamically adjusting variables to meet defined conditions and objectives within Excel. 

To automatically update one Excel worksheet from another, you can use various methods:

1. Formulas/Cell References: Utilize cell references or formulas like =SheetName!A1 in the target sheet to link and display data from another worksheet. Any changes made in the original worksheet will automatically update the linked cells in the target sheet, ensuring real-time synchronization of data.

2. VBA Macros: Employ VBA macros to automate data transfer between sheets. With VBA, you can create scripts to copy specific ranges or entire datasets from one worksheet to another, allowing for more complex data manipulation or custom updating processes based on your requirements.

3. Data Connections or Power Query: Establish data connections or use Power Query to pull in data dynamically from another worksheet. By setting up connections or using Power Query transformations, you can link sheets and update data in one worksheet based on changes in the source, offering a more automated and structured approach to data updates.

Select the method that aligns best with your workflow and data updating needs within Excel.

To modify only the last three digits of a serial number string in Excel VBA, extract the last three characters, convert them to a number, add your desired value while ensuring it stays within a three-digit range, then update the original string with the modified digits. Here's a concise code snippet:

Sub IncreaseLastThreeDigits()
Dim serialNumber As String
serialNumber = "ABC123456" ' Replace with your serial number

Dim lastDigits As Long
lastDigits = (CLng(Right(serialNumber, 3)) + 100) Mod 1000 ' Increase by 100 (for example)

serialNumber = Left(serialNumber, Len(serialNumber) - 3) & Format(lastDigits, "000") ' Update serial number

MsgBox "Updated Serial Number: " & serialNumber ' Display updated serial number
End Sub