This extension adds the possibility to export directly into the MS Excel (.xlsx) format, instead of CSV (less fiddling, easier to use). It supports exporting from reports and from search results.
Screenshots (click to enlarge)
Since CiviCRM 5.x, extension releases compatible with CiviCRM 5.0 are compatible with 5.0 and later. An extension release compatible with 5.25, for example, means that it requires CiviCRM 5.25 or later.