How-to change the default font in spreadsheets (xlsx docs)

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I found directions at this forum link for updating the default font in the ‘new’ template, and they worked for me in the past for .docx docs: Permanently change default font - #2 by Alexandre

V.1

  1. In a terminal as root (sudo) I backed up the original /opt/onlyoffice/desktopeditors/converter/empty/pt-BR/new.docx to new.docx.orig.
  2. I then opened new.docx.orig in OnlyOffice, changed it to the settings I want and then tried to save, but it wouldn’t let me.
  3. I closed without saving.
  4. I opened a terminal window and started OnlyOffice as root (sudo onlyoffice-desktopeditors).
  5. I opened new.docx.orig.
  6. I then was able to save the file as new.docx.
  7. After I closed OnlyOffice as root and opened it again as a non-root user, the new document opened fine with the new settings.

V.2
I think there’s a shorter way to achieve it;

  1. sudo chmod -R 775 /opt/onlyoffice/desktopeditors/converter/empty/
  2. Copy new.docx file to another location > edit it and replace back.It worked this morning during the tests, but your way seems to work too.