AutoCAD version history

Short description: Computer aided design software

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AutoCAD is a commercial computer-aided design (CAD) and drafting software application by Autodesk. The first release of the software started with version 1.0 in December 1982.[1] The software has been continuously updated since its initial release.

AutoCAD opens documents with DWG compatibility as a "DWG file format version code" where the specific version code can be found by opening the .dwg file in Windows Notepad or any text editor program. The file contents starts with this string. The file format version code (tag) is dependent on the AutoCAD version.[2]

## History

The following table summarizes the version history of the AutoCAD software application.

Release name  | Version  | Date of release  | DWG tag[2] | Release  | OS support  | Comments

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Version 1.0  | 1.0  | December 1982  | MC0.0  | 1  |  | DWG R1.0 file format
Version 1.2  | 1.2  | April 1983  | AC1.2  | 2  |  | DWG R1.2 file format
Version 1.3  | 1.3  | August 1983  |  | 3  |  | DWG R1.3 file format
Version 1.4  | 1.4  | October 1983  | AC1.40  | 4  |  | DWG R1.4 file format
Version 2.0  | 2.0  | October 1984  | AC1.50[3] | 5  |  | DWG R2.05 file format
Version 2.1  | 2.1  | May 1985  | AC2.10  | 6  |  | DWG R2.1 file format
Version 2.5  | 2.5  | June 1986  | AC1002  | 7  |  | DWG R2.5 file format
Version 2.6  | 2.6  | April 1987  | AC1003  | 8  |  | DWG R2.6 file format. Last version that can be run without a math co-processor.
Release 9  | 9.0  | September 1987  | AC1004  | 9  |  | DWG R9 file format
Release 10  | 10.0  | October 1988  | AC1006  | 10  | MS-DOS  | DWG R10 file format. Sole release for System 6, Xenix and OS/2 1.x.[4]
Release 11  | 11.0  | October 1990  | AC1009  | 11  |

* MS-DOS 3.3[5]

| DWG R11 file format, the first version to incorporate basic 3D solid modeling via the Advanced Modeling Extension (AME). Last release for DOS 286.
March 1992  | Mac OS 7
Release 12  | 12.0  | June 1992  | 12  |

* MS-DOS 3.3[6]
* Mac OS 7

| DWG R11/R12 file format. Last release for SunOS 4.1 and Ultrix.
February 1993  | Windows 3.1[7]
Release 13  | 13.0  | November 1994  | AC1012  | 13  |

* MS-DOS 5.0
* Windows 3.1[8]
* NT 3.1
* NT 3.5

| DWG R13 file format. Sole release for Windows NT Alpha. Last release for AIX, Solaris, IRIX and HP-UX.
Release 14  | 14.0  | February 1997  | AC1014  | 14  |

* Windows 95
* NT 3.51
* NT 4.0

| DWG R14 file format
2000  | 15.0  | March 1999  | AC1015  | 15  |

* Windows 95[9]
* 98
* NT 4.0

| DWG 2000 file format. Multi-Document Interface.
2000i  | 15.1  | July 2000  | 16  |

* Windows 95
* 98
* NT 4.0
* 2000

2002  | 15.2  | June 2001  | 17  |

* Windows 98[10]
* ME
* NT 4.0
* 2000

2004  | 16.0  | March 2003  | AC1018  | 18  |

* Windows NT 4.0[11]
* 2000
* XP

| DWG 2004 file format
2005  | 16.1  | March 2004  | 19  |

* Windows 2000
* XP

2006  | 16.2  | March 2005  | 20  | Dynamic Block
2007  | 17.0  | March 2006  | AC1021  | 21  | DWG 2007 file format
2008  | 17.1  | March 2007  | 22  | Annotative objects introduced. AutoCAD 2008 and higher (including AutoCAD LT) can directly import and underlay DGN V8 files.
2009  | 17.2  | March 2008  | 23  |

* Windows XP
* Vista[12]

| Revisions to the user interface including the introduction of the Ribbon
2010  | 18.0  | March 24, 2009  | AC1024  | 24  |

* Windows XP
* Vista
* 7[13][14]

| DWG 2010 file format introduced. Parametrics introduced. Mesh 3D solid modeling was introduced. PDF underlays. Both 32-bit and 64-bit versions of AutoCAD 2010 and AutoCAD LT 2010 are compatible with and supported under Microsoft Windows 7.
2011  | 18.1  | March 25, 2010  | 25  | Surface modeling, surface analysis, and object transparency introduced. Intel-only on Mac OS X.
October 15, 2010  |

* Mac OS X 10.5
* 10.6[15]

2012  | 18.2  | March 22, 2011  | 26  |

* Windows XP
* Vista
* 7[16]

| Associative array, model documentation, DGN editing. Support for complex line types in DGN files is improved in AutoCAD 2012.
August 19, 2011  |

* Mac OS X 10.6
* 10.7
* 10.8[17]

2013  | 19.0  | March 27, 2012  | AC1027  | 27  |

* Windows XP
* Vista
* 7
* 8[18][19]

| DWG 2013 file format (AC1027)
2014  | 19.1  | March 26, 2013  | 28  | File tabs, design feed, reality capture, live maps
2015  | 20.0  | March 27, 2014  | 29  |

* Windows 7
* 8
* 8.1[20]

| Line smoothing (anti-aliasing)
2016  | 20.1  | March 23, 2015  | 30  |

* Windows 7 SP1
* 8.1
* 10[21][22][23][24][25]

| More comprehensive canvas, richer design context, and intelligent new tools such as smart dimensioning, coordination model, and enhanced PDFs
2017  | 21.0  | March 21, 2016  | 31  | PDF import, associative center marks, and centerlines, DirectX 11 graphics
2018  | 22.0  | March 21, 2017  | AC1032  | 32  | DWG 2018 file format and Mac. "Off-screen" selection.[26]
2019  | 23.0  | March 22, 2018  | 33  | Specialized toolsets (electrical, architecture, MEP, etc.) with One AutoCAD, Shared Views, DWG Compare, Save To AutoCAD Web & Mobile
2020  | 23.1  | March 27, 2019  | 34  | New dark theme, quick measurements, blocks palette, Microsoft OneDrive and Box.com integration, dropped support for 32bit Windows[27]
2021  | 24.0  | March 25, 2020  | 35  |

* Vendor dependent[28]
* Windows 8.1
* 10

| Drawing history, Xref compare, Google Drive integration, offline activation removed,[29] Quick Trim & Extend Mode[30]
2022  | 24.1  | March 23, 2021  | 36  |

* Vendor dependent
* Windows 10
* 11[31]

| Trace, Count, Floating Drawing
2023  | 24.2  | March 28, 2022  | 37  |

* Windows 10
* 11[32]

| Count, Floating Windows, Trace Markup Import and Markup Assist with text recognition, improved 3D Graphics[33]
2024  | 24.3  | March 27, 2023  | 38  |
2025  | 25.0  | March 26, 2024  | 39  | ObjectArx .Net plugin model changed from .Net Framework to .Net Core[34]
2026  | 25.1  | March 25, 2025  | 40  |

## References

1. ↑ "AutoCAD 1.0 December 1982". https://btl-blog.com/between_the_lines/autocad-release-history.html.
2. ↑ 2.0 2.1 "Drawing format version codes for AutoCAD". November 22, 2022. https://www.autodesk.com/support/technical/article/caas/sfdcarticles/sfdcarticles/drawing-version-codes-for-autocad.html.
3. ↑ "DWG Version Conversion". April 7, 2020. http://www.benzsoft.com/cadviewer_help/index.html?dwg_version_conversion.htm.
4. ↑ "AUTODESK PUTS THE AUTOCAD UP UNDER THE SCO XENIX V.386". NEW STATESMAN MEDIA GROUP LTD.. October 10, 1989. https://techmonitor.ai/technology/autodesk_puts_the_autocad_up_under_the_sco_xenix_v386.
5. ↑ Prosise, Jeff (February 12, 1992). "Release 11: AutoCAD Remains Leader of the Pack". PC Magazine (Ziff Davis, Inc.): 44. https://books.google.com/books?id=YxFTezF9-sMC. Retrieved April 14, 2023.
6. ↑ Prosise, Jeff (September 15, 1992). "AutoCAD 12: More Drawings in Less Time". PC Magazine (Ziff Davis, Inc.): 48. https://books.google.com/books?id=gasgHhfj-RAC. Retrieved April 14, 2023.
7. ↑ David Weisberg (March 27, 2023). "Autodesk and AutoCAD". Shapr3D Zrt. https://www.shapr3d.com/history-of-cad/autodesk-and-autocad.
8. ↑ "AutoCAD release 13". Autodesk, Inc.. 1994. https://www.computerhistory.org/collections/catalog/102642656.
9. ↑ Baty, Tim (March 1, 1999). "AutoCAD 2000". https://freelance.timbaty.co.uk/autocad-2000.
10. ↑ Hurley, Shaan (June 17, 2001). "AutoCAD 2002 (17) June 2001". https://btl-blog.com/between_the_lines/autocad-release-history.html.
11. ↑ Hurley, Shaan (July 30, 2012). "System requirements for AutoCAD 2004 to 2013". https://autodesk.blogs.com/between_the_lines/2012/07/system-requirements-for-autocad-2004-to-2013.html.
12. ↑ "System requirements for AutoCAD 2009". February 2, 2018. https://www.autodesk.com/support/technical/article/caas/sfdcarticles/sfdcarticles/System-requirements-for-AutoCAD-2009.html.
13. ↑ "System requirements for AutoCAD 2011 | AutoCAD | Autodesk Knowledge Network". https://knowledge.autodesk.com/support/autocad/troubleshooting/caas/sfdcarticles/sfdcarticles/System-requirements-for-AutoCAD-2011.html.
14. ↑ "System requirements for AutoCAD 2010 | AutoCAD | Autodesk Knowledge Network". https://knowledge.autodesk.com/support/autocad/troubleshooting/caas/sfdcarticles/sfdcarticles/System-requirements-for-AutoCAD-2010.html.
15. ↑ [1]
16. ↑ "System requirements for AutoCAD 2012 | AutoCAD | Autodesk Knowledge Network". https://knowledge.autodesk.com/support/autocad/troubleshooting/caas/sfdcarticles/sfdcarticles/System-requirements-for-AutoCAD-2012.html.
17. ↑ David Basulto (August 16, 2011). "Autodesk announces AutoCAD 2012 for Mac". ArchDaily. https://www.archdaily.com/160585/autodesk-announces-autocad-2012-for-mac.
18. ↑ "System requirements for AutoCAD 2014 | AutoCAD | Autodesk Knowledge Network". https://knowledge.autodesk.com/support/autocad/troubleshooting/caas/sfdcarticles/sfdcarticles/System-requirements-for-AutoCAD-2014.html.
19. ↑ "System requirements for AutoCAD 2013 | AutoCAD | Autodesk Knowledge Network". https://knowledge.autodesk.com/support/autocad/troubleshooting/caas/sfdcarticles/sfdcarticles/System-requirements-for-AutoCAD-2013.html.
20. ↑ "System requirements for AutoCAD 2015 | AutoCAD | Autodesk Knowledge Network". https://knowledge.autodesk.com/support/autocad/troubleshooting/caas/sfdcarticles/sfdcarticles/System-requirements-for-AutoCAD-2015.html.
21. ↑ "System requirements for AutoCAD 2016 | AutoCAD | Autodesk Knowledge Network". https://knowledge.autodesk.com/support/autocad/troubleshooting/caas/sfdcarticles/sfdcarticles/System-requirements-for-AutoCAD-2016.html.
22. ↑ "System requirements for AutoCAD 2017 | AutoCAD | Autodesk Knowledge Network". https://knowledge.autodesk.com/support/autocad/troubleshooting/caas/sfdcarticles/sfdcarticles/System-requirements-for-AutoCAD-2017.html.
23. ↑ "System requirements for AutoCAD 2018". November 14, 2018. https://knowledge.autodesk.com/support/autocad/learn-explore/caas/sfdcarticles/sfdcarticles/System-requirements-for-AutoCAD-2018.html.
24. ↑ "System requirements for AutoCAD 2019 including Specialized Toolsets". January 22, 2019. https://knowledge.autodesk.com/support/autocad/troubleshooting/caas/sfdcarticles/sfdcarticles/System-requirements-for-AutoCAD-2019-including-Specialized-Toolsets.html.
25. ↑ "System requirements for AutoCAD 2020 including Specialized Toolsets". March 5, 2020. https://knowledge.autodesk.com/support/autocad/learn-explore/caas/sfdcarticles/sfdcarticles/System-requirements-for-AutoCAD-2020-including-Specialized-Toolsets.html.
26. ↑ https://www.autodesk.com/support/technical/article/caas/sfdcarticles/sfdcarticles/Objects-not-in-view-deselect-when-adding-to-selection-set-in-AutoCAD.html
27. ↑ "Introducing AutoCAD 2020: See What's New". March 27, 2019. https://btl-blog.com/2019/03/27/whats-new-in-autocad-2020/.
28. ↑ "AUTODESK KNOWLEDGE NETWORK: Product support lifecycle". https://knowledge.autodesk.com/customer-service/account-management/users-software/previous-versions/previous-version-support-policy.
29. ↑ "AutoCAD 2021 Is Here: See What's Inside". March 25, 2020. https://blogs.autodesk.com/autocad/autocad-2021/.
30. ↑ "AutoCAD 2021 - Enhancements to "Trim" and "Extend"". April 27, 2020. https://www.cadlinecommunity.co.uk/hc/en-us/articles/360007742497-AutoCAD-2021-Enhancements-to-Trim-and-Extend-.
31. ↑ "System requirements for AutoCAD 2022 including Specialized Toolsets | AutoCAD 2022 | Autodesk Knowledge Network" (in en-US). https://knowledge.autodesk.com/support/autocad/learn-explore/caas/sfdcarticles/sfdcarticles/System-requirements-for-AutoCAD-2022-including-Specialized-Toolsets.html.
32. ↑ "System requirements for AutoCAD 2023 including Specialized Toolsets | AutoCAD 2023 | Autodesk Knowledge Network" (in en-US). https://knowledge.autodesk.com/support/autocad/troubleshooting/caas/sfdcarticles/sfdcarticles/System-requirements-for-AutoCAD-2023-including-Specialized-Toolsets.html.
33. ↑ "What's New in AutoCAD 2023? Floating Windows, Trace, Count, and 3D Graphics Enhancements and Improvements". April 12, 2022. https://blogs.autodesk.com/autocad/whats-new-in-autocad-2023-floating-windows-trace-count-and-3d-graphics-enhancements-and-improvements/.
34. ↑ "Autodesk Desktop API Update .Net Core Migration". https://adndevblog.typepad.com/autocad/2024/04/autodesk-desktop-api-update-net-core-migration.html.

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