Genre Focus: Memos

What a Memo Is

A memo is an internal document written to inform, direct, or update a group of readers inside an organization.

Memos travel within a company rather than outside it — to a department, a project team, or the whole staff. They carry more detail and more weight than an email covering the same news, and they are written to be kept. A memo about a policy change or a project decision becomes part of the record; an email saying the same thing usually does not.

A memo is also the most common form of short report used in business, which is why you will sometimes hear one called a memo report. The distinction is length: once a document runs past two or three pages, it has grown into a full report and should be formatted as one.

Memos are formal documents, and you cannot assume privacy. A memo addressed to one reader is still written to be forwarded, filed, and read by people you never named in the header. Write as the organization, to the organization, and let that relationship set the tone — professional and formal, not personal.

Why Memos Matter and What They Do

In an inbox full of unread mail and a constant stream of Slack and Teams messages, the memo is what organizations reach for when something has to be read.

That makes memo writing a leadership skill. Anyone who ends up managing a team, running a project, or representing a department will write memos, because memos are how that kind of information gets communicated formally within a company.

A memo brings focused attention to a task, project, event, or problem. It can announce something new, direct a change in how people work, update a group on the status of something ongoing, or record a decision for the future. What those four have in common is a defined reader group and a message the writer needs that group to act on or retain.

Common Types

Most memos fall into one of five categories, based on what prompted them.

Type	What Prompts It	What It Does	Example
Information Report	Facts or findings the reader needs but has not asked to act on	Presents information without requesting a decision	A summary of a completed training session
Progress Report	An ongoing project on a reporting schedule	Describes work completed, work remaining, and any problems	A monthly update on a construction project
Status Report	A request for where something stands right now	Gives a snapshot of the current state, not a history	A check on a delayed shipment
Field Study	Direct observation done outside the office	Reports what was seen at a site, not what was assumed	An inspection of a retail location
Proposal or Recommendation	A decision that needs to be made	Argues for a course of action and gives the reasoning behind it	A recommendation to switch vendors

Standard Format: The Segments

A memo divides into segments, and each one does a specific job in moving the reader from the subject line to the action being asked of them.

A memo opens with a header, then moves through a body organized for scanning: Overview, Context, and Task/Action/Recommendation, followed by optional sections as the memo requires. The format below follows Texas A&M University’s Professional Writing, and it is the standard for this course. Expect any organization you write for to have its own house version, and follow theirs when you get there.

Section	What It Does
Header	Four lines, in this order: Date, To, From, Subject. A hard-copy memo is initialed by the sender after their name in the From line. CC and Attachment lines are added only as needed; the attachment line always sits at the bottom of the memo.
Overview	One paragraph stating what the memo is about and why the reader should keep going — the purpose, the subject, and what they will get out of finishing it. A reader who stops here should still know the point.
Context	The background the reader needs before the rest of the memo will make sense — what happened, when, and why it matters now. Skip anything the reader already knows.
Task / Action / Recommendation	What has been done, is being done, or should be done about the problem named in the Overview. Whatever this section describes has to answer directly to what came before it, not introduce a new problem.
Optional — Include Only If the Memo Needs It
Discussion of Results (optional)	The results of the action or the effects of the policy, when they are substantial enough to need their own space rather than a line inside the Task section.
Summary (optional)	A recap of the memo’s main points, for a reader who only has time to skim or a memo long enough that the main points are worth gathering in one place.
Closing (optional)	Names the specific action the memo is asking for — a reply, a meeting, a signature, a next step — instead of ending on the last supporting detail.

A memo carries no “Dear” and no “Sincerely.” Those belong to a letter, a genre with a different relationship to its reader. Open straight into the Overview, and close by naming the action you want — not with a valediction.

Layout Conventions

Beyond its segments, a memo follows a small set of formatting habits that make it fast to read.

This course requires block format. Block format means the text is single spaced, the left margin is justified, and the right margin is left ragged rather than justified. Paragraphs are not indented; instead, a blank line separates one paragraph from the next. Skip the first-line indent you use in essays — in block format, that blank line is what marks a new paragraph, not a tab. Keep the whole memo to one or two pages.

Write headings that name their actual content. “Budget Reallocation” tells a reader more than “Discussion” does, and it lets someone scanning the memo find the section they need without reading the whole thing.

Use bullet points to make information scannable, not as a substitute for written prose — a memo made entirely of bullets forces the reader to supply the connections themselves. When a bullet point is a fragment rather than a full sentence, it takes no closing punctuation.

Before You Send

A short check before a memo goes out catches most of the errors that undercut one.

Does the subject line name the specific issue, not just a general topic?
Does the Overview state the memo’s purpose in its first few sentences?
If the memo includes a Closing, does it name the action you want the reader to take?
Are all attachments referenced by name in the body?
Do your headings describe their actual content rather than a generic label?
Is the body in block format — no first-line indents, a blank line between paragraphs?
Have you left out the salutation and signature a letter would use?

Sources & Further Reading

Everything referenced above, if you want to go to the originals.

“How to Write a Memo” (video) — assigned viewing, embedded at the top of this page. Source of what memos do and why they still matter as a form of internal communication.
Texas A&M University, “Memos,” Professional Writing — source of the memo format, the header fields, the organization of the body, the common types of memos, and the short-report framing discussed above. Licensed CC BY-SA 4.0.
Purdue OWL, “Parts of a Memo” — a fuller breakdown of memo segments than this page covers, useful if you want a second perspective on how the body can be organized.
Purdue OWL, “Audience and Purpose” — background on who memos are written for and what shapes their purpose.