This video cover
s how to Freeze panes in Excel, Toggle screen updating (which can drastically speed-up your script) and inject a file name int the MRU (Most Recently Used) list of files.
This video walks through how to use the below AutoHotkey functions. Be sure you check out how to get a handle to Excel which is covered in this video.
Freeze panes in Excel, Toggle screen updates & insert file into MRU
AutoHotkey code for Excel demonstrated in Video
Use the following for a webpage post: