ciao sergio, i would never create a table with 250 rows... for sure not in scribus
the only way to mass change formats in scribus (accross frames... and table cells are frames) is to use styles. you probably haven't yet, so you have an issue... you can also write a script... if you don't know how to write a python script, i can offer you to write a script that applies a style to each cell in the table. for it i would need a sample of your table in a .sla file (it can contain dummy data) and i need to know the version of scribus you're using... ciao a.l.e
