Open a building. For more information on how to do so, see section 4.6.1., 5.4.3. or 6.1.1.
Go to the building card (see image below).
Click the tab called "Assets" (see image below). Within the tab called "Assets" you will find an assets list. In the assets list you will see the assets associated with the building you are working with.
It it is not already, specify that the view you wish to base your Excel export on should be shown in the assets list. For more information on how to do so, see section 3.1.in this manual.
Remove any filtering that should not be included in your Excel export by clearing the assets list of filters or resetting one or more columns (see image below).
If you wish to limit the content of the export you are creating, filter the assets list (see image below). For more information on how to do so, see section 8.6.4.
Right click an asset to open a menu (see image below).
Click "Export to Excel" in the menu (see the first image below). When you do so, the assets list will be exported to Excel (see the second image below).