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CAD tip CAD tip # 4345:

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These file types are different backup and temporary files created by AutoCAD.
  • BAK files are backup files created on manual Saves (save commands) in AutoCAD (previous DWG versions)
  • SV$ files are automatic timed backups (autosave) of drawings (deleted on successful AutoCAD exit)
  • AC$ files are temporary AutoCAD working files for various functions (undo, hidden lines...), ac$ files do not contain drawing data

Some AutoCAD functions may also create .TMP files with temporary data (drawings cannot be reconstructed from these files).

ACADACLTACADMADTABSMapCivil
100% *CAD
12.4.2005   48707×  
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this tip shared by ARKANCE experts applies to: AutoCAD · AutoCAD LT · AutoCAD Mechanical · AutoCAD Architecture · AutoCAD/Revit MEP · AutoCAD Map 3D · Civil 3D ·

See also:
Tip 14829:Where can I get the original ACAD.DWT/ACADISO.DWT template drawing?
Tip 13274:How to switch the DWG TrueView viewer to the classic user interface, without ribbon?
Tip 12592:How to automatically purge old backup files .BAK?
Tip 11479:"Assertion failed" error when launching AutoCAD.
Tip 11170:Be an expert in saving of drawings.
Selected tip: Parts of Explorer are in a different language after installing AutoCAD.


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Trailing zeroes are not returned from the (rtos) function. « | » Circular stairs with landings.


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