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Home > English site > Articles > Prevent Open Event
Deze pagina in het Nederlands

Preventing auto_open and Workbook_Open events from running

Introduction

As a fulltime developer I oftentimes open files containing VBA and want to be able to run code. At the same time I sometimes want to prevent Workbook_Open event code or an Auto_Open macro from running. This little article shows you how to achieve that.

Why would you want to do this? Typically, I use this on my own files in which I am still developing. The Open event might contain code that takes a while to run, or configures the project in a way which I don't want to happen when I start working with the file.

If the file you opened using the methods described below contains other event handlers, note that these event handlers will remain disabled until you start a macro manually (by clicking a command button or a menu entry) or if a User Defined function in your code has been called.

I do not recommend using this method to open files from sources you do not know or trust. The VBA code can contain events which will eventually run and possibly cause trouble.

Excel 2010, 2013, 2016

Macro security set to low or trusted document

If you have set your macro security to "Enable All Macros" or you have already set the document to trusted or the document is in a trusted folder, click File, Open, select your file and hold down the shift key when you click the Open button:

Selecting the file from the File, Open dialog

Fig. 1: Selecting the file from the File, Open dialog (Excel 2010, 2013, 2016)

Of course your file might be listed in the Most Recently Used files (MRU) list.  In that case, hold shift when you click the file in the list:

Clicking the file on the MRU

Fig. 2: Clicking the file on the MRU (Excel 2010)

Doing so will prevent the Workbook_Open event from firing and the Auto_Open macro from running.

Macro security set to prompt

If your document is not in a trusted folder, has never been set to be trusted and macro security is set to something other than enable all macros to run, you can repeat what I've shown above.

Normally, if you open such a document, Excel will show the security bar. In this situation however, due to you holding down shift, Excel shows this window:

Enable macros dialog

fig 3: Enable macros dialog (Excel 2010)

Because you held down the shift button when you clicked the file in the MRU or when you clicked the Open button, you can now just click "Enable macros" and no Automacros will run.

Excel 2007 and up

Macro security set to low or trusted document

Note that this seems to fail if the trusted folder is on a network share!

If you have set your macro security to "Enable All Macros" or you have already set the document to trusted or the document is in a trusted folder, click File, Open, select your file and hold down the shift key when you click the Open button:

Selecting the file from the File, Open dialog

Fig. 4: Selecting the file from the File, Open dialog (Excel 2007 and up)

Of course your file might be listed in the Most Recently Used files (MRU) list.  In that case, hold shift when you click the file in the list:

Clicking the file on the MRU

Fig. 2: Clicking the file on the MRU (Excel 2007 and  up)

Doing so will prevent the Workbook_Open event from firing and the Auto_Open macro from running.

Macro security set to prompt

If your document is not in a trusted folder, has never been set to be trusted and macro security is set to something other than enable all macros to run, you can repeat what I've shown above.

Normally, if you open such a document, Excel will show the security bar. In this situation however, due to you holding down shift, Excel shows this window:

Enable macros dialog

fig 3: Enable macros dialog (Excel 2007 and up)

Because you held down the shift button when you clicked the file in the MRU or when you clicked the Open button, you can now just click "Enable macros" and no Automacros will run. 

Excel 97, 2000, XP, 2003

Macro security set to low or trusted document

In case your macro security is set to low, or your VBA code is signed and you have set the publisher as trusted, you must hold down the shift key when you click the Open button on the File, Open dialog:

Opening the file from the File, Open dialog

Fig. 7: Opening the file from the File, Open dialog (Excel 97-2003)

Of course your file might be listed in the Most Recently Used files (MRU) list.  In that case, hold shift when you click the file in the list:

Clicking the file on the MRU

Fig. 8: Clicking the file on the MRU (Excel 97-2003)

Doing so will prevent the Workbook_Open event from firing and the Auto_Open macro from running.

Macro security set to medium or higher

If your macro security is set to al least "Medium" and you have never set its publisher to trusted (for a signed macro) you can forget about holding shift when opening the file or clicking the file on the MRU list. Instead, you must hold shift when you enable macros:

Hold shift when you press Enable macros

Fig.9: Hold shift when you press Enable macros

Doing so will prevent the Workbook_Open event from firing and the Auto_Open macro from running.

 


Comments

Showing last 8 comments of 95 in total (Show All Comments):

 


Comment by: Jan Karel Pieterse (2-8-2019 12:54:00)

Hi Bec,

It works fine for me. Not sure why it fails for you.

 


Comment by: Joseph T (7-8-2019 18:11:00)

Thanks for the TIP,

It WORKS but I had to put my file on my desktop since it was in a shareNetwork repository

 


Comment by: Bushopper (13-12-2019 01:32:00)

Holding down Shift key from within Excel stopped macros working up until I installed Excel 365. It was the same on my own PC and at my club.
Now I have to disable macros before editing can begin.

 


Comment by: J.K. Pieterse (13-12-2019 10:30:00)

Hi Bushopper,

Does your project contain any ribbon callbacks? Those cannot be prevented from running with the shift key trick.

You could add some code to your project which detects holding down the shift key, as shown here: https://jkp-ads.com/Articles/WorkbookOpenBug.asp

 


Comment by: Bushopper (14-12-2019 10:29:00)

Holding down Shift key from within Excel stopped macros working up until I installed Excel 365. It was the same on my own PC and at my club.
Now I have to disable macros before editing can begin.

 


Comment by: Jan Karel Pieterse (21-12-2019 11:45:00)

Hi Bushopper,

I've had the same the other day. I'll complain about this at MSFT!

 


Comment by: William Sikora (30-12-2019 19:35:00)

The shift key does not work in the latest version of Office 365

 


Comment by: Jan Karel Pieterse (6-1-2020 11:47:00)

Hi William,

I've reported the issue.

 


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