Reset filters in LibreOffice

You may experience a situation where may not be able to reset filters in LibreOffice, with the Data -> More filters -> Reset all.

Use the alternative way by directly ordering the rows to be shown by Format -> Row -> Show.


Count occurences of a character in a cell in LibreOffice

Let’s say you have a list of e-mails in a column in LibreOffice Calc spreadsheet and you want to see if there are cells which contain more than one e-mail address.

To do that you can use the formula below (assuming your e-mails are stored in column A) which will show the number of symbols @ in the particular cell: