Starting with 1.1.38, set gdiplus to native, builtin. This
override is not needed for earlier versions, as prior to 1.1.38 the
default behavior was to favor gdiplus that was installed by the app
If using native gdiplus causes Excel to crash, the most likely
cause is nonconformant ttf fonts installed on your system. (Ubuntu in
particular is known to be afflicted.) Run winetricks fontfix to fix this.
It is not necessary to install either of these dlls, as Office installs its own version. Do not set these overrides globally unless Office is installed in a separate wineprefix.