Frequent answer: Why is my AutoCAD file so large?

Another issue that can cause DWG file to increase file size is because DGN linetype issue. This can happen if you work with DWG that contains DGN linetype. There is hotfix available for this issue, and the hotfix also provides clean up utility. You can download DGN hotfix here.

You asked, how do I reduce the size of a DWG file?

1. Detach all unneeded xref files using the XREF command.
2. Select all objects in a drawing and enter the OVERKILL command.
3. Enter the -PURGE command and choose Regapps.
4. Enter the PURGE command and select all options.
5. Enter the -SCALELISTEDIT command and reset the scale list.

Frequent question, why is my DWG file so big? A large amount of AEC objects or metadata in the file. Data is imported from a DGN file and the original linetypes were not mapped or were incorrectly mapped to AutoCAD linetypes. This produces a huge object database in the drawing that cannot be purged with the standard tools.

In this regard, why is my AutoCAD PDF file so large? Do one or more of the following: Install the latest updates for AutoCAD (see Install Updates, Add-ons, and Enhancements). In the plot window or in page setup, turn off “Plot transparency.” Decrease the DPI within PDF Options, especially if many raster images are in a drawing.

Correspondingly, how big is the average CAD file? Large CAD files are all too common for a large percentage of designers and engineers. We typically receive a few calls each week from customers and prospects who are wrestling with CAD parts and assemblies that are anywhere from 50MB to 1.5GB.

1. 1.To access the “Purge” command, click on the application button, on the top left corner of the AutoCAD window.
2. You’ll be presented with a pop up.
3. Click on “Blocks”, and select either “Purge” or “Purge All”.
4. When prompted, choose “Purge this item”.

How do you purge in AutoCAD?

1. Open the drawing file.
2. Audit and fix any errors: Type AUDIT at the command line. “Y” for Yes to fix any errors, then Enter.
3. Remove unused named objects from the drawing: Type PURGE at the command line.
4. Purge Registered Applications (from the command line): Type -PURGE.
5. Save the drawing.

How do I reduce the size of a DWF file?

Solution. To decrease the size of the DWF™ file, adjust the DPI that is used for the embedded images in the DWF printer driver.

What is overkill in AutoCAD?

OVERKILL deletes duplicate or overlapping lines, arcs and polylines. Combines partially overlapping lines and deletes arcs that are on circles.

What is Pdfshx?

The PDFSHX variable in the main versions of AutoCAD: In AutoCAD since version 2017. Help (2023): PDFSHX. Description of the variable PDFSHX: Controls whether text objects using SHX fonts are stored in PDF files as comments when you export a drawing as a PDF file. (

What does a computer need to run AutoCAD?

1. Operating System: 64-bit Windows 11 or 10 version 1809 or above.
2. Processor: 2.5 GHz (3+ GHz recommended), ARM processors not supported.
3. Memory: 8 GB (16GB recommended)
4. Disk space: 10.0 GB.
5. Display: 1920 x 1080 resolution with True Color.

What processor is needed for AutoCAD?

Generally, the best rendering system for AutoCAD will include a processor with high speed. CPUs such as Intel Core i7 to i9 and AMD Ryzen 7 to 9 are a perfect fit for AutoCAD users. Processors in this range offer good speed while having multiple cores that you can use for efficient multitasking.

Which command is used to delete unnecessary object from drawing?

Use the ZOOM, EXTENTS command to display the extents of the current drawing. Enter WBLOCK (for Write Block). In the Write Block dialog box, under Source, select Objects. Under Base point, click the Pick point button, and then select a base point in the lower-left corner of the drawing extents.

What is the proper way to delete a block from the viewer?

To remove a single block from a stack, context-select (right click or long press) a block in a stack and then choose ‘Delete Block’ from the context menu. This will also delete any nested blocks if a block with parameters is chosen to be deleted.

Is 8GB RAM enough for AutoCAD?

AutoCAD (including Mental Ray rendering) is actually fairly light on RAM requirements and Autodesk only recommends 8GB of RAM.

What does purging an AutoCAD drawing do?

Removes unused items, such as block definitions and layers, from the drawing. The Purge dialog box is displayed. Unused named objects can be removed from the current drawing.