Office Settings & Configuration

How to Set the Office 2007 Excel Theme as Default

Camila MilosovichCamila Milosovich Oct 8, 2026 870 views

Question details

The user wants to set the classic Office 2007 color theme as the default for all new Excel workbooks so that copied worksheets retain their original colors.

How to Set the Office 2007 Excel Theme as the Default
Product
Microsoft Excel
Device & OS
not provided
Scenario
Copying worksheets into new Excel workbooks causes unintended color changes due to newer default themes being applied.
Observed behavior
The color theme changes automatically to a newer Office theme when a worksheet is copied to a new workbook, altering the appearance of the workbook colors.
Before you start

Before proceeding, ensure you have access to view hidden folders on your computer, as you will need to navigate to the hidden AppData directory to locate the XLStart folder.

Solution 1Recommended

Create a Default Workbook Template in the XLStart Folder

Create a customized workbook template named Book.xltx with the Office 2007 theme and save it to Excel's startup folder so all new workbooks use it automatically.

By saving a template named 'Book.xltx' in the XLStart folder, Excel uses this specific file as the baseline for all new, blank workbooks you create.

Please note that this method only controls the theme for newly created workbooks. If you are copying a worksheet into an existing workbook, the destination workbook's theme will override the copied worksheet's colors.

1
Open a Blank Workbook

Launch Microsoft Excel and open a new, blank workbook.

2
Apply the Office 2007 Theme

Navigate to the 'Page Layout' tab on the ribbon, click on 'Themes', and select the classic 'Office 2007 - 2010' theme from the dropdown menu.

3
Save As a Template

Click 'File' > 'Save As'. In the 'Save as type' dropdown menu, select 'Excel Template (*.xltx)'.

4
Name the File

Name the file exactly 'Book.xltx' (without the quotes).

5
Locate and Save in the XLStart Folder

Navigate to your XLStart folder, which is typically located at C:\Users\[YourUsername]\AppData\Roaming\Microsoft\Excel\XLSTART, and save the file there.

Create a Default Workbook Template in the XLStart Folder
Pasting between existing workbooks: When copying a worksheet to an existing workbook instead of a brand new one, the destination workbook's theme will apply. You must manually update the destination theme via the Page Layout tab if you want the classic colors.
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Frequently Asked Questions

Where is the XLStart folder located on my computer?

The XLStart folder is typically found at C:\Users\[YourUsername]\AppData\Roaming\Microsoft\Excel\XLSTART. You may need to enable 'Show hidden files, folders, and drives' in Windows File Explorer options to see the AppData folder.

Why do my copied worksheets still change color after setting up the Book.xltx template?

The Book.xltx template in the XLStart folder only dictates the theme for newly created, blank workbooks. If you copy a sheet into an existing workbook that uses a newer theme, the destination workbook's theme will automatically apply to the pasted data.

Can I manually apply the Office 2007 theme to an existing workbook?

Yes. Open the existing workbook, navigate to the Page Layout tab, click on Themes, and select the 'Office 2007 - 2010' theme to manually update the workbook's color palette.