You is likely to be conflating two separate, however related, options right here.
Templates are a function of many functions, together with Numbers. The precise implementation is as much as the developer; typically “template” paperwork have a distinct file kind/extension — Microsoft Phrase templates, for instance, are “.dotx” as an alternative of “.docx”
Stationery is a function of the Macintosh system software program, the place you may designate any file on the system as a Stationery Pad that can be utilized as a foundation for different information, even when the related utility has no help for templates by itself. (Apple confusingly refers to this in documentation as “templates” though solely “Stationery Pad” is used within the interface.)
if I take a look at the file’s file info in Finder, the template checkbox is checked)
Stationery Pads have a checkbox within the Finder. A Numbers template will seem as a file with a “.nmbtemplate” file extension when considered within the Get Information field, and the icon ought to have the phrase TEMPLATE overlaid.
I believed templates labored by forcing the applying to create a brand new “untitled” doc primarily based on the template that you simply by default saved beneath one other title than the template. In different phrases, in case you double click on a template in Finder ten occasions you should have ten similar paperwork in Numbers named Untitled 1 to 10 primarily based on the template
That sounds just like the habits of a Stationery Pad.
On this case, the hot button is that you must double-click the doc within the Finder to tear off a chunk of Stationery. Any adjustments you make shall be saved to a brand new file. In case you open the Stationery Pad doc from the File-Open dialog within the utility, you’ll open the Stationery doc itself for modification, and adjustments shall be saved to the unique Stationery.
Whenever you open a Numbers template, Numbers will current you with a dialog field informing you that you’ve got opened a template file and asking you whether or not you wish to add it to the Templates gallery, or create a brand new spreadsheet from the template. There does not appear to be a method to edit a Numbers template after creation, ever; you must overwrite it.
