System Requirements and Known Issues

System Requirements

Runs On: Windows 7, 8, 10, 11 (Tablets, Laptops, Desktops)

Does Not Run On: Windows RT, Mac, iPad or Android

Requires: Microsoft Word (Office 2007 - 365 etc.) (32-Bit Version Only) (more information)



Installation Issues

You may get prompted to install the Microsoft .Net 3.5 Framework.
This is required and may not be installed on some newer computers yet.

Windows Features

You can enable the .NET Framework 3.5 in the Windows control panel.

Make sure you are connected to internet.

1. Press the Windows key on your keyboard.

 2. Type "Windows Features", and press Enter. The Windows features dialog box will appear.

3. Select the .NET Framework 3.5 (includes .NET 2.0 and 3.0) check box.

4. Select OK.

5. Reboot your computer.



Known Issues


Recent Office Update: The Digital Signature has been revoked (March 1, 2023).

Update disables our add-in. Follow steps to fix.

1. Open Microsoft Word

2. File > Options > Trust Center > Trust Center Settings... > Add-ins > Uncheck - Require Application Add-ins to be signed by Trusted Publisher

3. File > Options ->Trust Center > Trust Center Settings… > Trusted Locations > Add new location

C:\Program Files (x86)\Estimate Works V6


Error trying to run in 64-Bit Version of Microsoft Office

"Unhandled exception has occured in your application..."

64-Bit Office Error Message

This means you're trying to run in the 64- Bit version of Office instead of the 32-Bit.

You can verify your version by starting Word and Go File > Account > About Microsoft Word... at the top of the form it will have the version (32 or 64-bit).

To fix the issue you will need to change the office version to 32-Bit.

Choose between the 64-bit or 32-bit version of office

Download and install or reinstall microsoft 365 or office 2021 on a pc step-by-step


Issue: Lists are Empty

When picking a client or an estimate to open the list may be empty.

To fix: Change display setting in Office to Optimize for Compatability and restart.

This option may be visible on your Microsoft Word status bar:

Empty list fix

If not go File > Options

fix empty lists in word options


Recent Office Update Causing error 3014

Issue has been fixed by Microsoft. Update to the latest version.

Office Build 16.0.14827.20158 (January 26, 2022)
Causing Error 3014: “Can’t Open Any More Tables”

Update: this error was fixed in the next office update (File > Account > Update Options > Update Now).

If you recently started getting this error, this quick work around fixes the issue by adding trusted locations for the program and database. We will update this when there is a fix in the updates from Microsoft Office. If you have not gotten the error yet, you can also disable office updates until the Office update is fixed.

1. Open Microsoft Word
2. File -> Options ->Trust Center -> Trust Center Settings… -> Trusted Locations -> Add new location

C:\Program Files (x86)\Estimate Works V6


C:\Users\Public\Documents\Estimate Works V6\db
(if you have moved your database to another location point to the folder)

3. Click Okay.
4. Close and restart Word.