Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
an additional file
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "an additional file" is correct and usable in written English.
You can use it when referring to an extra document or attachment that complements the main content. Example: "Please find attached an additional file that contains the detailed report."
✓ Grammatically correct
Science
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
60 human-written examples
An Excel file is provided as an additional file for the practical use of these equations.
Science
The detailed description is presented as an Additional file 1.
The programs of GraphS and GraphM are included as an Additional file 1.
The raw ESR data are available as an additional file, Cohn_Fig 1 ESR data.XLS.XLS
Science
This list has been provided in an additional file (see Additional file 2).
Science
Version 090213 of Shape is available as an additional file [see additional file 1].
Science
The dataset supporting the conclusions of this study is included in an additional file.
Science
Visualizations of these models can be referenced in an Additional File (2).
The detailed derivation of Equation 12 is presented in an additional file (see Additional file 1).
Science
A list of analyzed and EGF earthquakes is available as an Additional file 1 (see eqlist.txt).
A spreadsheet of the data will be provided as an Additional file 1: Error analysis data.
Expert writing Tips
Best practice
When referencing "an additional file", ensure it's clearly named and easily accessible to the reader. Provide a brief description of its contents to set expectations.
Common error
Avoid vague references to "an additional file" without specifying its name or purpose. This can lead to confusion and hinder the reader's understanding. Be specific about what the file contains.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "an additional file" functions as a noun phrase, typically acting as an appositive or a complement within a sentence. It refers to a separate document or data set that supplements the primary content. As stated by Ludwig AI, the phrase is correct and usable in written English.
Frequent in
Science
100%
Less common in
News & Media
0%
Formal & Business
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, "an additional file" is a grammatically correct and frequently used phrase, especially in scientific and academic writing, to refer to supplementary documents or data. Ludwig AI confirms its usability. When using this phrase, it's essential to be clear about the file's content and format for easy access. Alternatives like "a supplementary file" or "an attached file" can be used depending on the specific context. Avoiding vagueness and providing specific file details are key to effective communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
a supplementary file
This alternative is a more formal and direct substitute, emphasizing the supplementary nature of the file.
an attached file
This alternative highlights the action of attaching the file, implying its presence with an email or document.
the included file
This suggests the file is already part of the package or submission.
a supporting document
This alternative emphasizes the role of the file in providing support or evidence.
an accompanying document
This suggests the file is meant to be reviewed alongside the main text.
see the separate document
This phrase is a clearer and more direct way to refer the reader to another document.
the linked file
This alternative is suitable when the file is accessible through a hyperlink.
reference the other file
This alternative asks to look at the second source to provide supplementary context and make sure you understand the whole message
further details in file
This alternative is a condensed, less formal way to refer to the file's contents.
extra information provided
This alternative focuses on the content of the file rather than the file itself.
FAQs
How do I properly reference "an additional file" in my writing?
Always include a clear reference in your text, such as "See "an additional file" for detailed data" or "Further information is available in "an additional file"."
What's a good alternative to the phrase "an additional file"?
Consider using phrases like "a supplementary file", "an attached file", or "a supporting document" depending on the context.
Is it redundant to say "additional file" if it's already attached?
While not strictly redundant, using a phrase like "an attached file" or simply "the attached file" can be more direct and clear.
What information should I include when referencing "an additional file"?
Specify the file name, its format (e.g., PDF, CSV), and a brief description of its contents to help the reader understand its relevance. For example, "Detailed methodology is provided in "an additional file" named 'Methodology.pdf'."
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested