If you go to โFile > Open > select a drawing or assembly file once without opening it, in the lower right hand of the dialog youโll see โReferencesโ. What this will provide us with is a list of all the referenced files for that selected document. To put it simply, SOLIDWORKS will need to see those components in those folders for the assembly/drawing document to open correctly. Thatโs the reason why you canโt just send a vendor an assembly file without the associated components!
The problem comes up if one of those components is renamed in Windows Explorer or moved to a different folder as listed in the above image. When a file cannot be found, youโll see the component is greyed out in the FeatureManager, and a quick check of the references (if the document is open, you can go to โFile > Find Referencesโ) will indicate the file cannot be found.
If you had renamed the file, you can locate where the file is and rename it back to the original name. What if, however, you wanted to keep the existing name and have the assembly refer to that new name going forward? What youโll want to do is open โSOLIDWORKS Explorerโ and using the โFile Explorerโ on the left pane, select your assembly you want to fix. Youโll then click on the โReferencesโ tab, right-click on the part, and select โReplaceโ.
The โReplace Documentโ dialog box will then pop up, allowing you to โBrowseโ to the file with new name. Youโll want to make sure โUpdate Where Usedโ is checked on so all existing references for that part, are updated.
So now that weโve taken a look at how if you were to rename a part incorrectly, how do we fix it? Whatโs the correct process? Glad you asked! While still in SOLIDWORKS Explorer, you can right-click the part to be renamed and youโll be presented with โRenameโ. The dialog box will closely resemble the โReplace Documentโ dialog box; the only difference is SOLIDWORKS Explorer will ask you what youโd like the new name to be. Like before, youโll want to ensure โUpdate where usedโ is checked on so reference documents will be updated with the new name.
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If youโre in Windows Explorer, you can achieve the same result by right-clicking the document to be renamed and going to โSOLIDWORKS > Renameโ. Youโll then see the exact same dialog box as above.
As you can see, the reason SOLIDWORKS files function a little differently from other Windows files lies in the References files it needs to open and update correctly. So the next time youโre thinking of renaming that file, consider all those sub-assemblies and drawings that are dependent on it to open! You donโt want to be THAT person, do you?