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Calibri sample01.png
Category Sans-serif
Classification Humanist
Designer(s) Lucas de Groot
Foundry Microsoft
Date created 2004
Calibri sample text
An example of "Calibri" Regular, Bold and Italic.

Calibri is a humanist sans-serif typeface family designed by Lucas de Groot. In Microsoft Office 2007, it replaced Times New Roman as the default typeface in Word[1] and replaced Arial as the default in PowerPoint, Excel, Outlook, and WordPad. It continues to be the default in Microsoft Office 2010 and 2013, and it is now the default font in Office for Mac 2016. A subtly rounded design, de Groot described it as having "a warm and soft character".

Calibri is part of the ClearType Font Collection, a suite of fonts from various designers released with Windows Vista. All start with the letter C to reflect that they were designed to work well with Microsoft's ClearType text rendering system, a text rendering engine designed to make text clearer to read on LCD monitors. The other fonts in the same group are Cambria, Candara, Consolas, Constantia and Corbel.[2]


The font features subtly rounded stems and corners that are visible at larger sizes. Its italic includes calligraphic influences, which are common in modern typefaces.[3]

The typeface includes characters from Latin, Latin extended, Greek and Cyrillic scripts. Developed using sophisticated OpenType formatting, Calibri features a range of ligatures as well as lining and text figures, and extra features such as indices (numbers enclosed by circles) up to 20 and an alternate italic f and g accessible in the fourth and fifth stylistic sets.[4] Some features in Calibri remain unsupported by Office, including true small caps, all-caps spacing, superscript and subscript glyphs and the ability to create arbitrary fractions; these may be accessed using programs such as InDesign.

One problem with the font is a visible homoglyph, a pair of easily confused characters: the lowercase letter L and the uppercase letter i (l and I) of the Latin script are effectively indistinguishable. Also, when italicised, the lowercase letter a changes from Greek to Latin.


The typeface is distributed with Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10, Microsoft Office 2007, Microsoft Office 2008 for Mac, Microsoft Office 2010, Microsoft Office 2011 for Mac and Microsoft Office 2013. The current version is 6.11.

The typeface is available in Google Docs as of September 2010.[5]

Calibri Light is included in Microsoft Windows 8 and later. Calibri and Calibri Light are the default fonts of Microsoft Word 2013 and after for body text and headings respectively.

This font, along with Cambria, Candara, Consolas, Corbel and Constantia, is also distributed with various free Office viewers,[6][7][8] the Microsoft Office Compatibility Pack[9] and the Open XML File Format Converter for Mac.[10]

The typeface is licensed by Ascender Corporation for use by end users, consumer electronics device manufacturers and other users. The typeface is also licensed by Monotype Imaging to printer manufacturers as part of the Vista 8 Font Set package.


In 2013, as part of Chrome, Google released a freely-licensed font called Carlito, which is metric-compatible to Calibri (i.e. can replace it in a document without changing the layout).[11] It is a modification of popular open-source font Lato, created by Łukasz Dziedzic, and so does not specifically resemble Calibri particularly strongly.


Calibri won the TDC2 2005 award from the Type Directors Club under the Type System category.[12]


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