Segoe
Segoe ( ) is a typeface, or family of fonts, that is best known for its use by Microsoft. The company uses Segoe in its online and printed marketing materials, including recent logos for a number of products. Additionally, the Segoe UI font sub-family is used by numerous Microsoft applications, and may be installed by applications (such as Microsoft Office 2007 and Windows Live Messenger 2009). It was adopted as Microsoft's default operating system font beginning with Windows Vista, and is also used on outlook.com, Microsoft's web-based email service. In August 2012, Microsoft unveiled its new corporate logo typeset in Segoe, replacing the logo it had used for the previous 25 years.

The Segoe name is a registered trademark of Microsoft Corporation, although the typeface was originally developed by Monotype.

History 
Segoe was designed by Steve Matteson during his employment at Agfa Monotype. Licensed to Microsoft for use as a branding typeface and user interface font, it was designed to be friendly and legible. Matteson created a range of weights and italics with a humanist feel.

Licensing controversy
In 2004, Microsoft registered certain Segoe and Segoe Italic fonts as original font designs with the European Union trademark and design office. The German font foundry Linotype protested, citing Segoe UI's similarity to its licensed Frutiger family of typefaces.  In its submission to the EU, Microsoft claimed that Linotype had failed to prove that it had been selling Frutiger and Frutiger Next prior to 2004.

The EU rejected these claims, and in February 2006, the EU revoked Microsoft's registration. Microsoft did not appeal the decision. Microsoft still holds United States design patents for various Segoe-based fonts.

During the same period, in late 2004, after six years under the Agfa Corporation, the Monotype assets were acquired by TA Associates and the company was incorporated as Monotype Imaging.  Later, in August 2006, Monotype Imaging acquired Linotype.  So at the end of 2006, Linotype, the company that had challenged the validity of Microsoft's Segoe patents, was a wholly owned subsidiary of Monotype, the company that had originally licensed Segoe to Microsoft.

Several letters have distinctly different forms in Segoe UI and Frutiger, reflecting Segoe UI's different intended use: low-resolution screen display, rather than airport signage (Frutiger). However, Ulrich Stiehl asserts that many of these differences were introduced in later versions of Segoe UI – earlier versions of Segoe UI were closer to Frutiger.

On June 7, 2005, Scala, an electronic signage company (unrelated to the typeface FF Scala), announced that Segoe was being removed from its InfoChannel product "due to licensing issues". Scala replaced Segoe with Bitstream Vera fonts.

In November 2005, Simon Daniels, a program manager in Microsoft's typography group, stated that "The original Segoe fonts were not created for or by Microsoft. It was an existing Monotype design which we licensed and extensively extended and customized to meet the requirements of different processes, apps and devices."

In April 2006, a Microsoft public relations spokesperson, who asked not to be named, stated:

Segoe was an original design developed by Agfa Monotype (now Monotype Imaging) in 2000. In 2003, we acquired the original Segoe fonts and used them to develop an extended family of fonts retaining the Segoe name. Many of these new fonts received design patent protection in the United States. Segoe was not derived from Frutiger. Microsoft also has a current up-to-date license that allows us to distribute certain Frutiger fonts in connection with Microsoft products, including Office and Windows. There are distinct differences between Segoe and Frutiger. Additionally, unlike clone typefaces, the Segoe family of fonts are not metrically compatible with Frutiger so cannot be used as replacements.

Under United States copyright law, the abstract letter shapes of functional text fonts cannot be copyrighted; only the computer programming code in a font is given copyright protection.  This makes the production and distribution of clone fonts possible.

An early version of Segoe, possibly an evaluation version, was included with certain versions of SuSE Linux, but no longer ships as part of that operating system.

Segoe UI

Segoe UI ("User Interface") is a member of the Segoe family used in Microsoft products for user interface text, as well as for some online user assistance material, intended to improve the consistency in how users see all text across all languages. It is distinguishable from its predecessor Tahoma and the OS X user interface font Lucida Grande by its rounder letters. Segoe UI was produced by Monotype Imaging.

Windows 11 introduced Segoe UI Variable which has display, text, and small faces designed for specific font sizes. The glyphs have been redrawn moving away from the humanist design in favour of a more geometric look.

Light and Semibold versions of Segoe UI were introduced with Windows 7.

In Windows 8, 8.1, 10 and 11, Segoe UI has undergone a number of changes and stylistic additions:
 A Semilight version was introduced in order to make a perfect lightweight down to 11 pixels.
 True italic variants were introduced for the Light, Semilight, and Semibold weights.
 The Light and Semibold versions have been tuned for better quality for screen reading.
 Typography design changes were made that closely resemble the Segoe WP font family with similarities to Linotype Frutiger. Between Windows Vista and Windows 7, changes were made to the letters “I” and “Q”, and the digits 1, 2, 4, 5, 7 and 8.
 Additional scripts and character sets are supported, such as Arabic, Armenian, Georgian (Mkhedruli and Khutsuri), Hebrew, and Fraser alphabet (Lisu).
 OpenType variants were included.

In Windows 8.1, Segoe UI gained Black and Black Italic weights, but only for Latin, Greek and Cyrillic scripts.

Characteristics
Segoe UI is optimized for Vista's default ClearType rendering environment, and it is significantly less legible when ClearType is disabled, except at key user interface sizes (8, 9 and 10 point) where Segoe UI has been hinted for bi-level rendering. The standard font size increased to 9 point in Windows Vista to accommodate for better layout and readability for all languages.

The Windows Vista version of Segoe UI (version 5.00) contains complete Unicode 4.1 coverage for Latin, Greek, Cyrillic and Arabic (Romans only), totaling 2843 glyphs in the regular weight.

Segoe UI uses distinct cursive italic script, whereas Frutiger and Helvetica use oblique type for italics.

Variations
 Segoe UI Mono is a variation of Segoe UI with monospace characters. It supports Latin (including Eastern European, and Turkish), Greek, Cyrillic, Hebrew and Thai characters, and symbols, geometric shapes and drawing elements. The family includes two fonts in two weights, without italics. It is the system kernel font for Windows 8 and above.
 Segoe UI Symbol is a new font added in Windows 7 that includes new scripts/symbols such as Braille, Deseret, Ogham or Runic glyphs. It is not, however, a "symbol charset-encoded font" (like MS Symbol), but rather it is a Unicode-encoded font with symbols assigned to respective Unicode code points. Segoe UI Symbol also has some other miscellaneous symbols such as chess pieces, playing card and dice symbols (these glyphs formed the basis of the Segoe Chess and Segoe News Symbols fonts), box-drawing characters, block elements, technical symbols, mathematical operators, arrows, control pictures,  and OCR-optimized glyphs. In Windows 8, Segoe UI Symbol was extended to support Glagolitic, Gothic, Old Italic and Orkhon scripts. In Windows 8.1, it gained support for Meroitic Cursive and Coptic script. The updated Segoe UI Symbol from Windows 8 has also been backported to Windows 7.
 Segoe UI Historic is a new font added in Windows 10 to support ancient scripts. Coptic, Glagolitic, Gothic, Meroitic Cursive, Ogham, Old Italic, and Runic were moved from Segoe UI Symbol to Segoe UI Historic. Additionally supported are Brahmi, Carian, Coptic, Cypriot, Egyptian hieroglyphs (except for phallic ones since v 1.01), Imperial Aramaic, Inscriptional Pahlavi, Inscriptional Parthian, Kharosthi, Lycian, Lydian, Old Persian, South Arabian, Old Turkic, Phoenician, Shavian, Sumero-Akkadian Cuneiform, Syriac (ʾEsṭrangēlā style), and Ugaritic scripts.
 Segoe Boot is a vertically stretched font based on Segoe. Its vertical stretching allows the font to be rendered as the normal version when a 4:3 image (like the BIOS screen) is stretched to fill a screen with an aspect ratio of 16:9. It is included in the Windows 10 installation ISO.
 Zegoe UI is a Zune-specific variation on Segoe.
 In Windows 8.1, Microsoft added unofficial color support to fonts, first implemented in the Segoe UI Emoji font. As of Windows 10, this has been formally supported with UWP applications natively using DirectWrite/Direct2D for text rendering with color font support, and first-class emoji support including an emoji keyboard included in Windows 10 Fall Creators Update.
 Segoe UI Variable is a variable font added in Windows 11. The font is designed to scale better with monitors with a higher amount of dots per inch, which previous versions of Segoe UI did not account for.

Availability 
 The Segoe UI font family can be obtained as part of Windows and Windows Server operating systems:
 Old Segoe UI design is included along with Windows Vista, Windows 7, Windows Server 2008 and Server 2008 R2. 
Certain Segoe fonts, but not Segoe UI, were included in Windows XP Media Center Edition 2005, replacing Trebuchet MS. Microsoft Word Viewer and Microsoft PowerPoint Viewer 2007 were also install certain Segoe fonts.
Segoe UI is installed into Windows XP if the user installs Microsoft Office 2007, Office 2010, Windows Live Messenger or Windows Live Mail. 
 The redesigned Segoe UI is included along with Windows 8 (Developer Preview since build 8130), Windows 8.1, Windows Server 2012, Server 2012 R2, Windows 10, and Windows 11 and their Server counterparts.
 Segoe UI Variable is also included with Windows 11.
 A semilight version of Segoe UI is installed into Windows 7 if the user installs Microsoft Office 2013.

Other Segoe fonts 

Other members of the Segoe family include:
 Segoe Print is a font family based on the handwriting of Monotype Imaging employee Brian Allen, developed by Carl Crossgrove, James Grieshaber and Karl Leuthold. The family includes 2 fonts in 2 weights, without italics. It supports WGL character sets. It is included with Windows Vista and later. It is famously used as a default font for titles in Windows Movie Maker.
 Segoe Script is a font family designed by Carl Crossgrove, based on the handwriting of Brian Allen, but includes extended strokes found in cursive handwriting. It is produced by Monotype Imaging. By using the stylistic alternate OpenType feature, the unlinked letters become accessible. The family includes 2 fonts in 2 weights, without italics. It supports WGL character sets. It is included with Windows Vista and later.
 Segoe Chess is a symbol encoded chess font, designed by Steve Matteson and Jim Ford. Segoe Chess 1.00 is included with Microsoft Office 2007 and 2010.
 Segoe Media Center is a font family built for and privately installed with Windows Media Center in 2 weights: light and semibold. It resembles the original Segoe, but is not optimized for ClearType rendering.
 Segoe TV is a font family built into MSN TV set-top-boxes. It retains characteristics of the original Segoe, such as sans-serif capital I and straight tail in capital Q, whereas other characters have been redrawn such as the i and j.
 Segoe WP is the Windows Phone 7 specific version of Segoe. The Segoe WP family is distributed with Microsoft Visual Studio 2010. Currently, only a release candidate beta version is available (March 2010).
Segoe Fluent Icons was added to Windows 10 in 2021 to display images via the font face.

At one time, Microsoft also posted a package called Print Ad for Microsoft Dynamics Business Management Solutions Brief Description to the Microsoft downloads center. The package included TrueType and PostScript Type 1 beta versions of the Segoe branding fonts along with PowerPoint templates and marketing material.

Windows Phones also include a more customized version called Segoe WP N which is designed with more clarity and narrow to enhance their take on ClearType. 

 Segoe Pro is a custom font used by Microsoft and its affiliates for branding. Segoe Pro contains the same glyphs that Segoe UI does, only that it has specific emojis of Microsoft products attached as well. Segoe Pro comes in Black, Bold, Condensed, Display, Semibold and Semilight, along with their italic versions of each.

 Segoe Slab is a custom font which can be found if the user extracts the Windows SDK.apk (Android app package). The font file is named 'SegoeSlabWP-Semilight.ttf'.

 Segoe Xbox Symbol is a font developed specifically for the Xbox 360. It comes in 2 weights: Regular and Bold. These fonts can be extracted from the Xbox Android app. Other versions of this font include 'Segoe X Symbol' and 'Segoe Xbox MDL2 Assets'. 

 Skype UI Symbol is a font, similar to Segoe Xbox Symbol, however comprises the Latin script from Segoe UI. It comes in 2 weights, Regular and Bold. It can be extracted from the Skype app for Android.

 Segoe MDL2 Assets is an iconography font for use on Windows 10's UWP apps.

 Segoe Fluent Icons is the newest iconography font for use on Windows 10's UWP apps which will be the successor to the MDL2 Assets. It was introduced in Windows 10 build 21327.
 Nirmala is an extension of Segoe that includes Indian script characters.
 Microsoft YaHei is an extension of Segoe that includes Chinese characters and Japanese kanji.
 Malgun Gothic'' is an extension of Segoe that includes Hangul characters.

Related fonts 

Microsoft released Selawik as a metric-compatible Segoe UI replacement, and Symbols as a Segoe UI Symbols and Segoe MDL2 Assets fall-back, under SIL OFL in 2015. These fonts are used in WinJS and Winstrap. Selawik is also one of Microsoft's recommended fonts for Universal Windows Platform apps.

The Latin glyphs from Segoe and Segoe UI can also be found in the following Microsoft font families: Malgun Gothic (Korean), Microsoft JhengHei (Traditional Chinese), Microsoft YaHei (Simplified Chinese), Gisha (Hebrew), Leelawadee (Thai). In Windows 7, they are also found in Ebrima (N'Ko, Tifinagh, Vai), Khmer UI (Khmer), Lao UI (Lao), Microsoft New Tai Lue (Tai Lue), Microsoft PhagsPa (Phags-pa), Microsoft Tai Le (Tai Le).

In these fonts, some of the glyph shapes diverge significantly from Segoe UI and the Frutiger / Myriad model and are in some ways more calligraphic. In Gisha and Leelawadee, the capital ‘M’ is narrower, and has a raised apex, the lowercase ‘i’ and ‘l’ have tails, and the capital ‘I’ has no serifs. These characteristics are also seen in Segoe UI italic.

See also 
 IBM Plex
 Roboto
 Noto
 Product Sans
 San Francisco

Notes

References

External links 

 Microsoft Typography: Segoe Chess, Segoe Print, Segoe Script, Segoe UI, Segoe UI Book
 Cleartype gallery

Segoe UI
Typefaces and fonts introduced in 2004
Humanist sans-serif typefaces
IPA typefaces
Typefaces designed by Steve Matteson
Corporate typefaces
Microsoft franchises