VS builds a bunch of temporary files that take up a lot of space, so how can you easily back up the files you want?

Use the Total Commander tool: One-click backup of VS project source code. www.ghisler.com/

To use the “Copy File” function:

The author’s type file extensions are as follows, separated by Spaces:

(1) VS Engineering

*.cpp *.h *.txt *.ini *.sln *.lpu *.rc *.rc2 *.vcxproj *.vcxproj.filters *.bmp *.ico *.cur *.png *.mfcribbon-ms *.cs

(2) VS+Qt project

*.cpp *.h *.txt *.ini *.sln *.lpu *.rc *.rc2 *.vcxproj *.vcxproj.filters *.bmp *.ico *.cur *.png *.jpg *.svg *.mfcribbon-ms *.cs  *.ccs *.js *.ts *.pro *.pri *.qrc *.ui *.props