What is an Excel template (.xltx file)?
An Excel template is a file saved in the .xltx format that acts as a master copy of a workbook. Opening one creates a new, untitled workbook with the formatting, formulas, styles and print settings already in place, leaving the original untouched. Organisations use .xltx files so that every workbook built from them calculates and prints the same way.
How is .xltx different from .xlsx and .xltm?
An .xlsx file is a workbook. Double-click it and you open that exact file, so anyone who saves over the top changes the master for everyone who opens it afterwards.
An .xltx file is a template. Double-click it and Excel opens a copy named Book1, Book2 and so on, leaving the master clean. This single behaviour is what stops a shared budget model being overwritten by whoever used it last.
An .xltm file is a macro-enabled template. It behaves exactly like .xltx but can also store VBA code, which is what you need when the workbook has to build sheets on demand or validate entries as they are typed. Macro-enabled files trigger Trust Centre prompts and need a trusted location, so reserve .xltm for cases where the automation genuinely earns it.
Where does Excel store templates?
Excel looks in two places. The first is the personal templates folder, set at File > Options > Save > Default personal templates location. Point this at a local folder or a synced OneDrive or SharePoint folder, and anything saved there appears under File > New > Personal.
The second is the XLSTART folder, typically at %appdata%\Microsoft\Excel\XLSTART. A template saved there as Book.xltx becomes the default for every new blank workbook, and one saved as Sheet.xltx becomes the default for every new worksheet inserted into an existing file. That is how a team replaces Calibri 11 and the plain default grid with a branded starting point.
To create the file, choose File > Save As and pick Excel Template (*.xltx) from the file type list. Excel jumps to its default template folder automatically. Keep the file there rather than moving it afterwards, because the New screen reads that location.
What belongs in a corporate Excel template?
A worthwhile Excel template carries far more than a logo on the first sheet. The elements that save the most time are:
- Cell styles defined in the Home > Styles gallery for headings, inputs, calculations, totals and notes, so colour coding is consistent and can be changed centrally.
- Number formats for currency, percentages, Australian date order and thousands separators, applied as custom formats rather than typed by hand.
- Print areas, headers, footers and repeating title rows set on every sheet, so a 40-page report prints correctly without anyone opening Page Layout.
- Branded chart colours loaded through an Office theme, so a new chart uses the organisation's palette the moment it is created.
- Locked formula cells with sheet protection applied and the input cells left open for typing, so the calculation logic survives daily use.
Named ranges, data validation lists and a short instructions sheet belong in the same file. The aim is that a new starter opens the template and produces a correct, on-brand workbook without asking anyone how it works.
Why do finance teams end up with 40 versions of the same workbook?
The pattern is always the same. Someone builds a strong workbook, emails it to a colleague, and that colleague saves a copy under a new name for their own division. Six months later there are versions with different formulas, different assumptions and different chart colours, and nobody is certain which one the board is looking at.
The cause is that the file was distributed as an .xlsx workbook rather than an .xltx template. A workbook invites saving over the top, which invites renaming, which invites drift. A template placed in a governed location gives everyone the same starting point and no reason to keep a personal copy.
At Ideaseed, Excel is the application clients most often discover has never been templated at all, even in organisations with strict Word and PowerPoint standards.
Version control improves further when the template lives in one location that every user's personal templates path points at. Update the master and the next workbook anyone creates uses the corrected formulas.
Does an Excel template control charts and colours?
It does, through the Office theme attached to the file. Page Layout > Themes > Colours sets the twelve theme colours that drive chart series, shape fills and cell fills. Save a custom theme from the same menu and the .xltx uses it every time.
Chart formatting goes further with chart templates. Right-click a finished chart, choose Save as Template, and the resulting .crtx file appears under Insert > Charts > All Charts > Templates. Staff then apply an approved chart style in two clicks instead of reformatting axes and gridlines by hand.
An .xltx file is a reusable master that produces a fresh copy every time it is opened, which keeps formatting, formulas, styles and print settings consistent across a team. Build cell styles, number formats, print setup and branded chart colours into it, store it in one governed location, and the spread of near-identical workbooks stops.
If you are unsure whether your Excel files are genuine templates or simply workbooks that have been copied around, a free template health check will show you where the drift is coming from.
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