2012

Table Of Contents
Maintain Associativity in Dimensions
Associative dimensions created in AutoCAD 2002 or later generally maintain
their associativity when saved to a previous release and then reopened in the
current release. However, if you modify dimensioned objects using a previous
release to the extent that new objects are formed, the dimension associations
change when the drawing is loaded into the current release. For example, if
a line that was dimensioned is trimmed so that an interior portion of the line
is removed, two line objects result and the associated dimension applies to
only one of the line objects.
Dimension associativity is not maintained when a drawing is saved as an
AutoCAD R12/LT 2 DXF file and then reopened in the current release.
Save Drawings with Large Objects
Drawings saved to a legacy drawing file format (AutoCAD LT 2007 or earlier)
do not support objects greater than 256MB. For more information about saving
drawings that contain large objects to a previous release, see
Maintain
Compatibility with Large Object Limits
on page 222.
Limitations of Saving to Earlier Versions
Saving a drawing in Release 2000/LT 2000 format is subject to the following
limitations:
File size can increase.
Encryption and digital signatures are not preserved.
Saving a drawing in Release 14/LT 98/LT 97 format is subject to the following
limitations:
Hyperlinks are converted to Release 14/LT 98/LT 97 attached URLs.
Database links and freestanding labels are converted to Release 14/LT 98/LT
97 links and displayable attributes.
Database attached labels are converted to multiline text and leader objects,
and their link information is not available. Attached labels are restored if
you open the drawing in AutoCAD 2000 or later.
Dynamic block geometry can be redefined independent of the blocks
dynamic elements, and the geometry in the block reference is not updated
when the drawing is opened in AutoCAD LT 2012 or later.
Save Drawings to Previous Drawing File Formats | 1429