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
I attach herewith
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "I attach herewith" is correct and can be used in written English.
It is used when sending a letter or email and attaching some kind of document that is related to the content of the letter or email. For example: "I attach herewith the invoice for the services we provided last month."
✓ Grammatically correct
Academia
Formal & Business
News & Media
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
"I attach no blame to my players.
News & Media
I attach it without comment.
News & Media
I attached our agenda.
News & Media
I attached the agenda.
News & Media
The detailed terms and conditions are attached herewith.
Academia
A copy of the instructions which have been furnished to the pickets is attached herewith.
Academia
Please accept my enclosed resume attached herewith this application for a same position at your organization.
Formal & Business
I'll attach the code.
Academia
Is emotionally attached to the brand.
News & Media
"I'm attached to those guys.
News & Media
I'm attached by invisible strings.
News & Media
Expert writing Tips
Best practice
While grammatically correct, consider using more common and contemporary alternatives like "I am attaching" or "Please find attached" for clearer and more accessible communication.
Common error
Avoid using "I attach herewith" in informal communications or when a more relaxed tone is appropriate. It can sound stilted or outdated in modern contexts.
Source & Trust
60%
Authority and reliability
3.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "I attach herewith" functions as a declarative statement in formal correspondence. It explicitly informs the recipient that a document or file is being included with the communication. While Ludwig AI confirms its grammatical correctness, its infrequent usage suggests considering more contemporary options.
Frequent in
Science
0%
News & Media
0%
Formal & Business
0%
Less common in
Science
0%
News & Media
0%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, while grammatically sound, "I attach herewith" is a highly formal and somewhat outdated phrase. Ludwig AI validates its correctness, yet its infrequent usage points to the availability of more common and contemporary alternatives, such as "I am attaching" or "Please find attached". Primarily reserved for formal correspondence, its use in modern communications might come across as overly stilted. Therefore, assess your audience and the context to make a more informed decision whether to employ it. Given the availability of easier phrases, you may want to reserve this expression for traditional exchanges where formality is paramount.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
I have attached
Simple and direct statement of attachment.
I am attaching
More common and less formal way to indicate attachment.
Please find attached
A standard phrase for indicating an attachment, more concise.
Attached you will find
Slightly more formal rearrangement of 'Please find attached'.
The document is attached
Passive voice, focusing on the document.
Enclosed you will find
Suitable for physical documents included with a letter.
Here is the attached document
Directly presenting the attached item.
I am including
A general way of saying something is being included.
With this email, I include
More elaborate way to introduce the attachment.
I'm sending you the attached file
Informal phrasing, emphasizes the act of sending.
FAQs
What does "I attach herewith" mean?
It means that you are sending something along with a letter or email. It's a formal way of saying "I am attaching". Use alternatives like "I am attaching" or "please find attached" for a modern tone.
Is "I attach herewith" grammatically correct?
Yes, it's grammatically correct, but it is quite formal and not commonly used in everyday language. More common alternatives are "I have attached" or "attached is".
When should I use "I attach herewith"?
Use it in formal or legal correspondence where a high degree of formality is required. However, in most other situations, simpler phrases are preferred, like "I am including" or "the document is attached".
What are some alternatives to "I attach herewith" for emails?
For emails, consider using phrases like "please find the attached document", "the attached file contains", or simply "attached".
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
60%
Authority and reliability
3.5/5
Expert rating
Real-world application tested