Summary (tl;dr)

Microsoft's long-standing default font, Calibri, has been replaced by Aptos in Office, sparking renewed interest in font comparisons. This trend is further amplified by the recent U.S. State Department directive to revert its official communications from Calibri back to Times New Roman.

Essential Background

For 15 years, Calibri served as the default typeface for Microsoft Office applications, replacing the traditional serif font, Times New Roman, in 2007. This widespread adoption made Calibri one of the most commonly encountered fonts globally. Times New Roman, a classic serif font, had also been a long-standing default in numerous official and academic contexts before Calibri's introduction.

The Full Story

Microsoft announced in July 2023 that Aptos (originally known as Bierstadt) would succeed Calibri as the new default font across its Office suite, including Word, Outlook, PowerPoint, and Excel. This change began rolling out to users in late 2023 and continued into early 2024, marking the first default font change for Office in 15 years. While Aptos, like Calibri, is a sans-serif font, it offers a distinct, modern design.

Adding to the contemporary discussion around fonts, the U.S. State Department issued a directive on December 10, 2025, by Secretary of State Marco Rubio, mandating a return to Times New Roman for all official communications. This "Return to Tradition" directive reverses a 2023 policy that had adopted Calibri, bringing Times New Roman back as the departmental standard and directly contrasting with Microsoft's recent font evolution.

Why It Matters

The shift in default fonts for widely used software like Microsoft Office significantly impacts global visual communication standards for documents, emails, and presentations. The ongoing debate and searches comparing "Calibri vs. Times New Roman" highlight the often-underestimated influence of typeface choice on readability, perceived professionalism, and brand identity. The U.S. State Department's decision to revert to Times New Roman further underscores that font selections can carry symbolic weight and reflect organizational values, potentially fueling broader discussions about the balance between tradition and modernity in digital correspondence. Users are also actively searching for ways to customize their default fonts within Microsoft Office applications.

Geographic Location

• Redmond, Washington, United States (Microsoft's decision to change the default Office font to Aptos)
• Washington, D.C., District of Columbia, United States (U.S. State Department's directive to switch back to Times New Roman)