What are the limitations for creating template files?

Template Common

Not all layouts and output patterns are supported. Complex layouts are not supported.
Formulas cannot be used such as {!If(xxxxx)} for the merge field.
Template file size should not exceed 1 MB. If the file contains a large amount of text or images, even within 1 MB, the file will fail to output. The Office file consists of multiple XML files, compressed in a ZIP file, and the file size limit before compression is 4 MB.
Template files should be created in the Microsoft Office desktop version. Template files created by other applications, such as online versions, are not supported.
Office features are not supported. Some Office features are available, but not all templates are supported.
Images such as company logos can be included in the template file. However, depending on the file size of the image, output may take a long time or result in an output error. In the case of PDF output, the layout may be corrupted. Please check the actual output in a test environment.

Office Features

Office features are not supported. Some Office features are available, but not all templates are supported. Complex patterns are not supported.

Available Office Features

File Type	Details
Excel	Excel Formulas, Data Validation, Conditional Formatting, Table, and Shapes are available.
Word	Table, Text Box, Watermark, Shapes and Field Codes are available.
PowerPoint	Table, Text Box and Shapes are available.
PDF	Table is available. *Text Box, Watermark, Shapes and Field Codes are not available.

*Tables are for layout only, excluding aggregate functions.

Notes on available Office features

Not all templates are supported. Complex patterns are not supported.
Office features are outside the scope of support. Check with your templates and output contents in the Sandbox.

Template for PDF Output

At a page break, the table borders on the last row of the previous page or the first row of the next page may be cut off.
Spacing created with tabs in Word is not supported.
If the layout is broken after copying a table from another application, create a new table inside the Word template.
Tables cannot be placed side by side, nor can text be displayed next to a table. For different layouts on the left and right sides, create a single table and set it up by dividing cells and displaying/hiding table borders.
Arial Unicode MS does not support bold or italic styling.
User-defined characters (gaiji) are not supported.
Office features such as objects (text boxes, shapes, etc.), field codes, and watermarks are not supported.
Images cannot be output over text.
The output direction of the image will be the original orientation of the image. The rotation direction in the Exif information of the image will not be reflected.

Instruction manual