Update & Upgrade Problems

Fix Excel Formula Bar Showing Monospace Font After Update

Maira Mehtab Sep 22, 2026 870 views

Question details

Users are trying to remove a hard-to-read monospace font applied to the Excel formula bar following a recent Microsoft 365 update, as the toggle option is missing.

Product: Microsoft Excel
Device & OS: Windows
Scenario: Viewing, typing, or editing long formulas in the Excel formula bar after installing the latest Microsoft 365 updates.
Observed behavior: The text in the formula bar is forced into a monospace font that is difficult to read. Furthermore, the setting to disable monospace formulas is completely unavailable in the affected build.

Before you start

Save your current work and close all active Microsoft Office applications, as the rollback process will require restarting the software in the background.

Solution 1Recommended

Roll Back Microsoft 365 to a Previous Version

Reverting your Office installation to an earlier build will bypass the problematic update and restore the standard formula bar font.

Because this issue stems from a specific Microsoft 365 update and the setting to disable it has been removed, the most effective temporary workaround is to roll back your Office version. This will restore the classic formula bar font until Microsoft releases a permanent patch.

Disable Automatic Office Updates

Open Microsoft Excel, click on 'File', and select 'Account'. Under 'Product Information', click 'Update Options' and choose 'Disable Updates' to prevent Excel from automatically reinstalling the buggy version.

Open Command Prompt as Administrator

Press the Windows key, type 'cmd' into the search bar, right-click on 'Command Prompt', and select 'Run as administrator'.

Navigate to the ClickToRun Folder

In the Command Prompt window, type 'cd %programfiles%\Common Files\Microsoft Shared\ClickToRun' and press Enter.

Execute the Rollback Command

Type 'OfficeC2RClient.exe /update user updatetoversion=16.0.17928.20286' (or your preferred stable build number) and press Enter to initiate the downgrade. Wait for the process to complete, then restart Excel.

Corporate Device Restrictions: If you are using a company-managed computer, Group Policies might prevent you from disabling updates or running Command Prompt as an administrator. In this scenario, you will need to contact your IT department for assistance.

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Frequently Asked Questions

Why did the font in my Excel formula bar suddenly change to monospace?

This change was introduced in a recent Microsoft 365 update. Microsoft applied a monospace font to the formula bar to help align characters and spaces in complex formulas, but many users find it harder to read.

Where is the setting to disable monospace formulas in Excel?

In earlier testing versions, Microsoft provided a checkbox to toggle this feature. However, in the affected stable build, this setting was removed, preventing users from changing the font back to normal.

When will Microsoft fix the monospace font issue in Excel?

Microsoft has acknowledged multiple user reports regarding this issue and is working on a fix. It is expected to be addressed in a future update, but rolling back to a previous build is the best temporary solution.

Installation & Activation