Windows 1251

File Format
Name	Windows 1251
Ontology	Electronic File Formats Character encoding Windows encodings Windows 1251
Wikidata ID	Q1748665
IANA charset	windows-1251
IANA aliases	cswindows1251
IANA MIBenum	2251
Code Page	1251
CFStringEncoding	1282
NSStringEncoding	11

Windows 1251 (CP1251, Windows-1251, Windows CP1251, Windows Cyrillic) is a character encoding used in Microsoft Windows systems, aimed at languages using the Cyrillic alphabet. It is one of the Windows encodings. It is fairly popular for Russian web pages, though UTF-8 is more common in recent times.

References

• Code chart at KreativeKorp
• Code chart at Microsoft
• Unicode mapping
• Another Unicode mapping (best fit)
• Wikipedia article
• Related Stack Overflow questions