Troubleshooting the “This version only works with Excel 32bit/64bit” Error Message

Applies To

Windows Operating System

• Windows 11
• Windows 10
• Windows 7

Microsoft Office System

• Office 365
• Office 2016
• Office 2013

Symptom

When installing the 32-bit/64-bit version of ForecastX on a 32-bit/64-bit Excel you receive the following message:

“This version only works with Excel 32bit/64bit”

Solution

Solution A

Please make sure that the Excel Version (32 bits - 64 bits) matches with the Forecast X version you are trying to install.

In order to verify this:

1. Open Excel
2. Go to File > Account > Click on About Excel
   
3. The last portion of the version description will show you the Excel version (32 - 64 bits)
   

Note. A 64-bits Windows Operative System can install a 32-bits version of Excel.

Solution B (mostly common for personal devices)

Most computers with Windows come with a demo/lite version of the Office that miss many of the main structural components of a full version. In order to confirm this, it is necessary to check on your program files folders the presence of the Microsoft Office folder.

Without Office:

With Office:

In case that you do possess a demo/lite version, please uninstall it and install a full version in order to be able to install the forecastx. Link: outlook.office365.com

Solution C

In case that you were able to find the directory folders shown in the Solution B, but you still are not able to install Forecast X because the error message "This version only works with Excel 32bit/64bit” is still showing, you'll have to validate if the Office 365 version you have is locally installed into your computer.

To verify that:

1. Click Start > Control Panel. Click Programs > Programs and Features:
   
   

If you can't visualize your Office version, it means you have an online Office version. This particular version conflicts with Forecast X.

You can download and install Office 365 using the following URL:

https://support.microsoft.com/en-us/office/download-and-install-or-reinstall-microsoft-365-or-office-2021-on-a-pc-or-mac-4414eaaf-0478-48be-9c42-23adc4716658

Solution D

You or someone from your IT Dept will need to carry out the following:

1. Open the Registry Editor.
2. Navigate to the following location and enter a new Key named Bitness: HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Office\15.0\Outlook
3. If Outlook is missing, right-click on 15.0 and select New > Key. 
4. Name the new key Outlook.
5. Right-click the Outlook key and select New > String Value. 
6. Name the new String Value Bitness.
7. Double-click the Bitness string and in Value data, enter x86.