Bassndan Posted August 4, 2021 Share Posted August 4, 2021 why are the .bak files larger than the actual .dwg files and why are the .bak dates and time goofy? Quote Link to comment Share on other sites More sharing options...
rkmcswain Posted August 4, 2021 Share Posted August 4, 2021 The .BAK file is simply the last .DWG file before the current one. When you save in AutoCAD (or LT): AutoCAD writes the file to a .TMP file Then the existing .DWG is renamed to .BAK Then the .TMP is renamed to .DWG Each time you save, the DWG is the current, and the BAK is one version old. This is all presuming you have BAK files enabled, as it's possible to disable this. If you have some non-standard networking, storage, etc. - then all bets are off. Quote Link to comment Share on other sites More sharing options...
BIGAL Posted August 5, 2021 Share Posted August 5, 2021 (edited) There are a few others as well to confuse you, with autosave on it will make copies of the dwg at timed intervals, the reason for mentioning is that us in the know when a serious crash occurs can find these files and reuse them saving re edit time. These are saved in the "Automatic save file location". Such as dwgtest.SV$ Good house keeping is to clean these up and a few others as well. Edited August 5, 2021 by BIGAL Quote Link to comment Share on other sites More sharing options...
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