You can adjust your computer's display scaling and resolution settings to make the font bigger in QuickBooks Desktop (QBDT).
Before we proceed, please note that changes made to your Windows display settings will affect the appearance of all programs on your computer.
To adjust, here's how:
Go to the Edit menu at the top of your screen and select Preferences.
Click Desktop View and tap the My Preferences tab.
Under WINDOWS SETTINGS, select Display options, which will redirect you to your computer’s display settings.
Locate your computer'sScale settings and increase the percentage (for example, set it to 125% or 150%). Alternatively, you can adjust the display resolution. Please note that the available options may vary depending on your QuickBooks Desktop versions and your computer configuration.