DWG files - which version of AutoCAD?

Scenario:
You have been sent a dwg to work on and must send it back in the same format it was received, but you do not know which version of AutoCAD it was last saved in.

Solution:
- Right-click on the DWG and Open With Notepad
- Read the first 6 characters and match them to the following versions:

AC1027 - AutoCAD 2013, 2014, 2015
AC1024 - AutoCAD 2010, 2011, 2012
AC1021 - AutoCAD 2007, 2008, 2009
AC1018 - AutoCAD 2004, 2005, 2006
AC1015 - AutoCAD 2000, 2001, 2002
AC1014 - AutoCAD Release 14
AC1013 - AutoCAD Release 13
AC1009 - AutoCAD Release 11, 12
AC1006 - AutoCAD Release 10
AC1004 - AutoCAD Release 9
AC1003 - AutoCAD 2.6
AC1002 - AutoCAD 2.5

You can now save back to the nearest format.

SC

Inserting drawings into older Autodek software

On a day to day basis on the support Help desk at Microconcepts we get a fair few people asking how they can transfer or save their Inventor files in older versions of software. For example using Inventor 2013 and you need to open the drawing in AutoCAD 2012. 

From the Inventor idw, we can go to 'Save Copy As' via the 'Save As' tool in the Inventor home button. Now making sure you've selected the correct file format. If you move the cursor over to 'Options' on the bottom right hand corner of the 'Save Copy As' window and left click. 

Within Options you will be presented with pull down box options. Select the box under file 'File Version' in here you can select the software format you need that pre-dates the Software you are running. 

How to Tell Which Version of Inventor a File was Created in

On Support it can be important for us to establish which version of Inventor a file was created in and also whether the file has been migrated to the latest version of Inventor.

• To find this information you can simply right click on a file in Windows Explorer, select iProperties from the flyout menu.