Search notes:

Excel: Page Layout -> Themes

Select the preferred visual theme or schemes.
These themes and schemes are stored in the following locations:
Path File extension
Theme C:\Program Files\Microsoft Office\root\Document Themes vv .thmx
Colors scheme C:\Program Files\Microsoft Office\root\Document Themes vv\Theme Colors .xml
Fonts scheme C:\Program Files\Microsoft Office\root\Document Themes vv\Theme Fonts .xml
Effect scheme C:\Program Files\Microsoft Office\root\Document Themes vv\Theme Effects .eftx
With VBA, these themes and schemes can be set with 
ActiveWorkbook.ApplyTheme("C:\Program Files (x86)\Microsoft Office\root\Document Themes 16\Ion Boardroom.thmx")
ActiveWorkbook.Theme.ThemeColorScheme.Load("C:\Program Files (x86)\Microsoft Office\root\Document Themes 16\Theme Colors\Blue.xml")
ActiveWorkbook.Theme.ThemeFontScheme.Load("C:\Program Files (x86)\Microsoft Office\root\Document Themes 16\Theme Fonts\Arial.xml")
ActiveWorkbook.Theme.ThemeEffectScheme.Load("C:\Program Files (x86)\Microsoft Office\root\Document Themes 16\Theme Effects\Reflection.eftx")

See also

The (general) Office menu File -> Account -> Office Theme

Index

Fatal error: Uncaught PDOException: SQLSTATE[HY000]: General error: 8 attempt to write a readonly database in /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php:78 Stack trace: #0 /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php(78): PDOStatement->execute(Array) #1 /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php(30): insert_webrequest_('/notes/Microsof...', 1758202246, '216.73.216.150', 'Mozilla/5.0 App...', NULL) #2 /home/httpd/vhosts/renenyffenegger.ch/httpsdocs/notes/Microsoft/Office/Excel/GUI/Ribbon/tabs/Page-Layout/Themes/index(55): insert_webrequest() #3 {main} thrown in /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php on line 78