if you've got yourself a OS that supports few languages, such as Hebrew/English,
you might want to make sure that Excel will open new spreadsheets Left to Right for English
1. open registry editor and browse HKEY_USERS, find out what is your username UUID, its the long string, copy its textual value ("s-...").
2. create new file named "excel_rtl.reg", make sure if you use notepad to surround it with inverted commas (").
replace the username UUID below with yours.
3. run the reg file.
Windows Registry Editor Version 5.00