In Excel: paste Sub ShowMessage() into the VBA editor (Alt + F11 → Insert ▸ Module), press F5 to run, and save as .xlsm to keep the macro.
VBA macro: MsgBox — Show a Message
Sub ShowMessage()
Dim ws As Worksheet
Dim cellValue As String
Set ws = ActiveSheet
cellValue = ws.Range("A1").Value
MsgBox "Value in A1: " & cellValue, vbInformation, "Cell Info"
End SubMsgBox displays a dialog with the message, an icon style (vbInformation/vbCritical/vbQuestion), and a title. Use it to confirm actions or show results.
How to run this macro
- Press Alt + F11 to open the VBA editor.
- Insert > Module.
- Paste the code above.
- Press
F5, or close the editor and run it from Developer > Macros. - Save the file as .xlsm so the macro is kept.
Open Excel and navigate to Developer ▸ Visual Basic (or press Alt + F11).
Select Insert ▸ Module from the menu bar inside the VBA editor.
Copy and paste Sub ShowMessage() into the Module.
Click anywhere inside the Sub body and press F5 to run.
Close the VBA editor and save the file as .xlsm.
What this does
Pasting Sub ShowMessage() into Excel's VBA editor gives you a one-click solution to show a message box popup with VBA. The macro runs inside the Visual Basic for Applications (VBA) environment, which lets it loop over entire sheets, inspect every cell, and take action faster than any manual workflow. Open the editor with Alt + F11, insert a new Module, paste the code, and run it — the MsgBox — Show a Message task completes automatically. Save the file as .xlsm (macro-enabled workbook) so the Sub is preserved when you close and reopen Excel. The same idea underpins a lot of everyday Excel work, so the few minutes spent getting it right here pay back across every sheet you build afterwards. Treat it as a pattern, not a one-off, and it stops being something you look up and starts being something you reach for. Treat “excel vba msgbox yes no” as a small repeatable workflow rather than a one-off click you hope to remember next time. Use a small test block before the live file, so any surprise in the affected cells shows up while it is still harmless. When this is a ribbon command, the selection matters more than the button: confirm the range, apply the command, then spot-check the output before saving. That turns a workflow that saves repeating the same clicks every week into a method you can reuse, explain, and defend when the workbook leaves your screen.
A worked example
Practical use: you run the same show a message box popup with VBA task every month on a new export. Instead of repeating the steps manually, paste Sub ShowMessage() once into a Personal Macro Workbook (or into the workbook itself), and run it each month via Developer ▸ Macros ▸ Run. The MsgBox — Show a Message macro applies the same logic to every fresh dataset — consistent, repeatable, and immune to copy-paste slips. Use Sub ShowMessage() every time you need to show a message box popup with VBA reliably at scale. The macro eliminates the most common sources of error in manual work: missed rows, wrong column references, and inconsistent criteria. Once the code is tested and trusted, you can run it repeatedly with one click — zero cognitive overhead, zero variation in output. If there is any chance you will reuse this, drop it into a small template tab right now: a labelled input area on the left and the formula beside it, checked once against the tool above. Next time the same question comes up, the answer is a single paste away instead of a rebuild from memory.
In Google Sheets
Everything above works in Google Sheets too. Excel and Sheets share the formula syntax used here; only the surrounding menus are arranged differently. That portability is deliberate — learn it once and it follows you between the two tools and across Windows and Mac. The aim was to get you unstuck fast and leave you a little more capable than a copy-paste would. The answer is at the top, the tool proves it, and the detail above shows why it holds — so the next time a colleague asks, you can answer without reaching for search. If you take one thing from this page on “excel vba msgbox yes no”, make it the habit rather than the keystrokes: set the problem up with labelled inputs, reference those cells, and let Excel do the recomputing. Bookmark the page for the syntax, but do the example once in a blank sheet and check it against the tool above — five minutes of hands-on practice fixes the method in memory far better than re-reading, and it surfaces the small snags while they are still harmless. After that the technique is genuinely yours: faster than searching for it again, and reliable enough to drop into work that other people depend on.
Common mistakes
- Missing Option Explicit at the top of the module — adding it forces VBA to flag typos in variable names immediately, saving time debugging.
- Not qualifying the range with the worksheet object — using Cells(1,1) without a ws. qualifier acts on whatever sheet is active; if the macro runs from a different sheet it may corrupt data. The pattern `Dim ws As Worksheet: Set ws = ActiveSheet` (or a specific sheet name) pins the action to the right place.
- Forgetting that macros cannot be undone with Ctrl+Z once they have modified the sheet. Test on a copy of the workbook before running on live data.
Frequently asked questions
How do I run the MsgBox — Show a Message macro?
Press Alt + F11 to open the VBA editor, insert a Module (Insert ▸ Module), paste Sub ShowMessage() into the code pane, and press F5. Alternatively close the editor and run it from Developer ▸ Macros ▸ select "ShowMessage" ▸ Run.
Why won't my macro run — macros are disabled?
Excel blocks macros by default for files downloaded from the internet. Click the yellow security bar and choose "Enable Content" — that trusts this one workbook and is all that is normally needed. Leave File ▸ Options ▸ Trust Center ▸ Trust Center Settings ▸ Macro Settings on "Disable VBA macros with notification" rather than switching to "Enable all macros", which Microsoft itself marks not recommended. If the bar is red instead of yellow, the file carries Mark of the Web: close Excel, right-click the file, open Properties and tick Unblock. Also ensure the file is saved as .xlsm, not .xlsx.
Can I undo what the MsgBox — Show a Message macro did?
No — VBA actions generally cannot be undone with Ctrl+Z because they bypass Excel's undo stack. Always test Sub ShowMessage() on a backup copy of the workbook before running it on live data, or add explicit validation logic inside the macro before the destructive step.