This is a list of standards published by Ecma International, formerly the European Computer Manufacturers Association.

ECMA-1 – ECMA-99 ECMA Name Edition Related Standard Still applicable(not withdrawn) ECMA-1 6 Bit Input/Output Character Code 1963-031st edition No ECMA-2 Subset of ALGOL 60ECMALGOL 1965-041st edition No ECMA-3 CMC7 Printed Image Specification 1966-092nd edition  ????-??1st edition ISO 1004 No ECMA-4 Flow Charts 1966-092nd edition1964-111st edition ISO 1028 No ECMA-5 Data Interchange on 7 Track Magnetic Tape 1970-063rd edition????-??2nd edition1965-041st edition No ECMA-6 7-Bit Coded Character Set 1991-126th edition ISO/IEC 646ITU-T T.50 Yes ECMA-7 7 Bit Code in Punched Cards 1965-041st edition ISO 1113 No ECMA-8 Nominal Character Dimensions of the Numeric OCR-A Font 1977-012nd edition1965-041st edition ISO 1973-1 No ECMA-9 FORTRAN 1965-041st edition ISO/IEC 1539 No ECMA-10 Data Interchange on Punched Tape 1970-072nd edition1965-111st edition ISO 1113 No ECMA-11 Alphanumeric Character Set OCR-B for Optical Recognition 1976-033rd edition ISO 1073-2 No ECMA-12 Data Interchange on 9-Track Magnetic Tape at 32 bits per mm (800 bpi) 1970-062nd edition1967-111st edition ISO/IEC 1863 No ECMA-13 File Structure and Labelling of Magnetic Tapes for Information Interchange 1985-12 4th edition ISO 1001 Yes ECMA-14 Rules for the definition of 4 bit sets derived from the ECMA 7 bit coded character set 1967-11 1st edition No ECMA-15 Printing specifications for Optical Character Recognition 1975-08 2nd edition No ECMA-16 Basic mode control procedures for data communication systems using the ECMA 7-bit code 1973-06 2nd edition No ECMA-17 Graphic Representation of Control Characters of the ECMA 7-bit Coded Character Set for Information Interchange 1968-11 Yes ECMA-18 Printing line position on OCR single line documents 1977-01 2nd edition No ECMA-19 Coding of character sets for MICR and OCR 1969-06 1st edition No ECMA-20 Implementation of the ECMA 7-bit coded character set on punched cards 1969-06 1st edition No ECMA-21 Character positioning on OCR journal tape 1969-06 1st edition No ECMA-22 Electrical safety requirements for data processing machines 1969-06 1st edition No ECMA-23 Keyboards generating the code combinations of the characters of the ECMA 7-bit coded character set 1975-01 2nd edition No ECMA-24 Code independent information transfer (an extension to the basic mode transmission control procedures) 1969-12 1st edition No ECMA-25 Representation of 8-bit combinations on 12-row punched cards 1970-06 1st edition No ECMA-26 Recovery procedures (an extension to the basic mode control procedures for data communication systems) 1971-04 1st edition No ECMA-27 Abort and interrupt procedures (an extension of the basic mode control procedures for data communication systems) 1971-04 1st edition No ECMA-28 Multiple station selection procedures (an extension of the basic mode control procedures for data communication systems) 1971-04 1st edition No ECMA-29 Conversational information transfer (an extension of the basic mode control procedures for data communication systems) 1971-09 1st edition No ECMA-30 OCR-B sub-sets for numeric applications 1976-03 2nd edition No ECMA-31 Mechanical safety requirements for DTA processing machines 1971-09 1st edition No ECMA-32 Mechanical, physical and magnetic characteristics of interchangeable 6-disk packs 1971-09 1st edition No ECMA-33 Track format characteristics of interchangeable 6-disk packs 1971-09 1st edition No ECMA-34 Data interchange on 3,81 mm magnetic tape cassette (63 ftpmm, phase encoded at 32 bpmm) 1976-09 3rd edition No ECMA-35 Character Code Structure and Extension Techniques 1994-126th edition????-??5th edition ISO/IEC 2022 ECMA-36 Data interchange on 9-track magnetic tape at 63 bpmm (1600 bpi) phase-encoded 1971-12 1st edition No ECMA-37 Supplementary transmission control functions (an extension of the basic mode control procedures for data communication systems) 1972-06 1st edition No ECMA-38 Mechanical, physical and magnetic characteristics of interchangeable single disk cartridges (top loaded) 1973-09 1st edition No ECMA-39 Track Format Characteristics of Interchangeable Single Disk Cartridges (top loaded) 1973-09 1st edition No ECMA-40 High-level Data Link Control Procedures (HDLC)Frame Structure 1980-01 3rd edition No ECMA-41 Magnetic tape cassette labelling and file structure for information interchange 1973-12 1st edition No ECMA-42 Alpha-numeric character set for 7x9 matrix printers 1973-12 1st edition No ECMA-43 8-bit coded character set structure and rules 1991-12 3rd edition ISO 4873 Yes ECMA-44 Implementation of the ECMA 7-bit and 8-bit coded character sets on punched cards 1975-09 1st edition No ECMA-45 Data interchange on magnetic 12-disk packs (100 Mbytes) 1975-09 1st edition No ECMA-46 Data interchange on 6,30 mm magnetic tape cartridge (63 bpmm, phase encoded) 1976-03 1st edition No ECMA-47 Limits and measurements methods for radio interference from EDP units 1076-03 1st edition No ECMA-48 Control functions for coded character sets 1991-06 5th edition ISO 6429 Yes ECMA-49 HDLCElements of procedure 1979-08 2nd edition No ECMA-50 Programming language PL/1 1976-12 1st edition No ECMA-51 Implementation of the numeric OCR-A font with 9x9 matrix printers 1977-01 1st edition No ECMA-52 Magnetic 12-disk packs (200 Mbytes) 1977-09 1st edition No ECMA-53 Representation of source programs for program interchangeAPL, COBOL, FORTRAN, Minimal BASIC and PL/1 1978-01 1st edition No ECMA-54 Data interchange on 200 mm flexible disk cartridges using two-frequency recording at 13 262 ftprad on one side 1982-01 2nd edition No ECMA-55 Minimal BASIC 1978-01 1st edition No ECMA-56 Self-loading cartridges for 12,7 mm wide magnetic tapes 1978-09 1st edition No ECMA-57 Safety requirements for data processing equipment 1981-09 2nd edition No ECMA-58 Flexible disk cartridge labelling and file structure for information interchange 1981-01 2nd edition No ECMA-59 Data interchange on 200 mm flexible disk cartridges using two-frequency recording at 13 262 ftprad on both sides 1979-08 1st edition No ECMA-60 HDLC unbalanced class of procedure 1979-08 1st edition ISO 6159 No ECMA-61 HDLC balanced class of procedure 1979-08 1st edition ISO 6256 No ECMA-62 Data interchange on 12,7 mm 9-track magnetic tape32 ftpmm, NRZ1, 32 cpmm126 ftpmm, phase encoding, 63 cpmm356 ftpmm, NRZ1, 246 cpmm GCR 1985-03 2nd edition ISO 1863 No ECMA-63 Representation of numerical values in character strings for information interchange 1980-09 1st edition ISO 6093 No ECMA-64 Magnetic disk for data storage devices, 160 000 flux transitions per track, 356 mm diameter 1982-09 2nd edition ISO 6901 No ECMA-65 Magnetic disk for data storage devices, 107 500 flux transitions per track, 266 mm and 356 mm diameter 1980-09 1st edition ISO 6902 No ECMA-66 Data interchange on 130 mm flexible disk cartridges using two-frequency recording at 7 958 ftprad on one side 1980-09 1st edition ISO 6596 No ECMA-67 130 mm flexible disk cartridge labelling and file structure 1981-01 1st edition ISO 7665 No ECMA-68 Reels for 12,7 mm wide magnetic tapes (Sizes 16, 18 and 22) 1981-01 1st edition ISO 8064 No ECMA-69 Data interchange on 200 mm flexible disk cartridges using MFM recording at 13 262 ftprad on both sides 1981-01 1st edition No ECMA-70 Data interchange on 130 mm flexible disk cartridges using MFM recording at 7 958 ftprad on 40 tracks on each side 1986-06 2nd edition No ECMA-71 HDLC selected procedures 1981-01 1st edition ISO/IEC 13239:2002 No ECMA-72 Transport protocol 1985-03 3rd edition No ECMA-73 Magnetic disk for data storage devices 95 840 flux transitions per track, 200 mm outer diameter, 63,5 mm inner diameter 1982-09 2nd edition No ECMA-74 Measurement of Airborne Noise emitted by Information Technology and Telecommunications Equipment 2021-12 19th edition ISO/IEC 7779 Yes ECMA-75 Session protocol 1982-01 1st edition No ECMA-76 Magnetic disk for data storage devices, 158 000 flux transitions per track, 210 mm outer diameter, 100 mm inner diameter 1982-09 1st edition No ECMA-77 Magnetic disk for data storage devices, 83 000 flux transitions per track, 130 mm outer diameter, 40 mm inner diameter 1982-09 1st edition No ECMA-78 5¼-inch floppy disk 1986-06 2nd edition No ECMA-79 Data interchange on 6,30 mm magnetic tape cartridge using IMFM recording at 252 ftpmm 1985-09 2nd edition No ECMA-80 Local area networks (CSMA/C Baseband) Coaxial Cable System 1984-03 ??? edition No ECMA-81 Local area networks (CSMA/C Baseband) physical layer 1984-03 2nd edition No ECMA-82 Local area networks (CSMA/C Baseband) link layer 1984-03 2nd edition No ECMA-83 Safety Requirements for DTE-to-DCE Interface 1985-09 2nd edition No ECMA-84 Data presentation protocol 1982-09 1st edition No ECMA-85 Virtual file protocol 1982-09 1st edition No ECMA-86 Generic data presentationServices description and protocol definition 1983-03 1st edition No ECMA-87 Generic virtual terminalService and protocol description 1983-03 1st edition No ECMA-88 Basic class virtual terminalService description and protocol definition 1983-03 1st edition No ECMA-89 Local area networksToken Ring technique 1985-03 2nd edition No ECMA-90 Local area networksToken bus technique 1993-09 1st edition No ECMA-91 Flexible disk cartridgesFile structure and labelling for information interchange 1984-03 1st edition No ECMA-92 Connectionless internetwork protocol 1984-03 1st edition No ECMA-93 Distributed Application for Message Interchange (MIDA) 1987-06 2nd edition No ECMA-94 8-Bit coded character sets 1986-06 2nd edition ISO/IEC 8859 Yes ECMA-95 Limits of interference and measurement methods 1985-03 1st edition No ECMA-96 Syntax of Graphical Data for multiple-workstation interface (GDS) 1985-09 1st edition No ECMA-97 Local area networksSafety requirements 1992-12 2nd edition No ECMA-98 Data Interchange on 6,30 mm magnetic tape cartridge using NRZ1 recording at 394 ftpmmStreaming mode 1985-09 1st edition No ECMA-99 5¼-inch 1.2 megabyte floppy disk 1985-09 1st edition ISO 8630 No

ECMA-100 – ECMA-199