LaTeX and Overleaf for Collaborative Research Writing: A Team Workflow Guide

Most multi-author research papers are not written by one person and circulated for comment — they are written by several co-authors at once, in the same document, over weeks or months. For teams in mathematics, physics, engineering, computer science, and increasingly the life sciences, that document is often a LaTeX project rather than a Word file, and the collaborative layer sits on top of it via a shared platform — overwhelmingly Overleaf, the dominant cloud-based LaTeX editor. This guide covers the practical mechanics of that workflow: how a shared LaTeX project should be set up and permissioned, what actually happens when several authors edit at once, how version history and Git integration work, and where teams most often run into trouble. It assumes no prior LaTeX experience is required to follow the logistics, though writing the manuscript itself does.

Why research teams write in LaTeX and Overleaf rather than Word

LaTeX is a typesetting system, not a word processor: authors write plain-text source marked up with commands, and a compiler renders it into a formatted PDF. For collaborative research writing specifically, three properties matter more than typesetting quality on their own:

• Consistent, journal-matched formatting is separated from content. Co-authors write text and equations; the document class and journal template control layout, numbering, and reference style. Nobody has to manually fix heading styles or citation formatting mid-draft the way collaborators editing a Word document often do.
• Citations are handled as data, not text. References live in a .bib file and are cited with a key (e.g. cite{smith2024}); BibTeX or biblatex generates the formatted reference list and in-text citations automatically and consistently, which matters when several authors are adding sources independently.
• Math- and code-heavy content renders reliably. Equations, algorithms, and cross-references compile deterministically from source, which is a real advantage over embedding equation objects or code blocks in a word processor when several people are editing them.

Overleaf’s specific contribution is removing the local-installation and file-syncing problem: every collaborator edits the same cloud-hosted project through a browser, with no local LaTeX distribution, no emailing .tex files, and no “whose copy is current” ambiguity of the kind CASRAI’s guide on managing manuscript versions across co-authors addresses for word-processor-based drafts. That said, the underlying risk — multiple people changing a shared document without a clear source of truth — doesn’t disappear just because the tool changed; it just takes a different, tool-specific form, covered below.

Setting up a shared project: roles, permissions, and plan tiers

An Overleaf project has one owner and any number of invited collaborators, added by email or shareable link. Two practical constraints affect research teams specifically and are worth checking before a project is set up, not after a co-author is added and hits a wall:

• Collaborator limits are plan-dependent. As documented in Overleaf’s own plan comparison, the free plan restricts a project to a single collaborator beyond the owner, the Student and Standard plans raise that to ten, and only the Pro plan (or an institutional Commons licence, common at universities with a site subscription) allows unlimited editors and reviewers on one project. A four- or five-author paper on a free account will hit this ceiling immediately.
• Permission levels are real access-control distinctions, not just labels. Overleaf distinguishes editors (can change the source), reviewers (can comment and suggest via track changes but not edit directly), and viewers (read-only) — unlimited on every plan. Assigning a co-author “reviewer” rather than “editor” access is a legitimate way to let a collaborator comment on a near-final draft without risking an accidental change to a locked section, mirroring the access discipline research teams already apply to shared data and grant documents.

Because plan-tier limits gate real functionality (history depth and track changes, covered next), a team should decide up front whether the project will live on an individual paid account, an institutional Overleaf Commons licence, or the free tier — and confirm that before drafting is well underway, since collaborators added under one tier don’t automatically gain features if the project is later upgraded mid-project without re-checking settings.

Real-time co-editing: what actually happens when multiple authors type at once

Overleaf’s editor supports simultaneous editing: every collaborator with edit access sees others’ cursors and changes appear live, similar to Google Docs, rather than a check-out/check-in model. The compiled PDF preview updates on demand as the source changes, so co-authors can see the rendered effect of an edit without leaving the browser. This solves the most common failure mode of emailing .tex files around — two people editing the same section in parallel and having to manually reconcile the divergence afterward.

It does not, on its own, solve editorial coordination. Real-time presence makes it obvious when two people are in the same paragraph at the same moment, but it does not prevent it. Teams that write concurrently in the same document benefit from the same lightweight convention used in any live co-editing tool: agree on section ownership (who is actively drafting the Methods versus the Discussion at a given time) and use comments to flag a section as “don’t touch, mid-edit” rather than relying on the interface alone to prevent overlap.

Track changes, comments, and version history

Three separate mechanisms handle accountability and review in a shared Overleaf project, and they are gated differently by plan:

• Comments are threaded annotations attached to a span of text, available to add and resolve on every plan tier, including free — the equivalent of a margin note.
• Track changes records edits as accept/reject-able suggestions rather than immediate changes to the source, the same underlying concept as Word’s tracked changes. This requires a paid plan (Student, Standard, or Pro) or an institutional Commons licence — it is not available on the free tier.
• Project history is a full revision log of the document over time, letting a team view or restore any prior state. The free plan retains only 24 hours of history; paid plans and Commons licences retain the full project history for the life of the project.

That 24-hour free-tier history limit is the detail most likely to catch a research team off guard: on a free project, a version from three weeks ago that a co-author wants to compare against is simply gone, not merely hard to find. For any manuscript that will go through several drafting rounds — which is nearly all of them — a paid plan or institutional licence is functionally required to keep the same kind of version accountability the corresponding author is already expected to maintain (see CASRAI’s guide on manuscript version control across co-authors for that responsibility in general, tool-agnostic terms).

Using Git integration for teams that want a full version-control workflow

Overleaf also offers Git integration (a paid-plan feature) that exposes the project as a Git remote: collaborators can clone it, commit and push changes from a local Git client, and pull others’ changes back in, in addition to or instead of editing directly in the browser. This is a translation layer over Overleaf’s own history mechanism rather than a full native Git implementation running inside Overleaf, but it enables real Git-based use cases that matter for some research teams specifically:

• Working offline in a local LaTeX editor and syncing back when reconnected.
• Bringing a co-author who prefers a local Git workflow into a project without forcing them into the browser editor.
• Mirroring the project to GitHub for teams that already keep code, data-processing scripts, and the manuscript itself under one repository — useful when a paper’s reproducibility package and its text are meant to travel together.

Standard Git hazards apply once a project has more than one entry point (browser editor and local Git client): concurrent edits to the same line from both directions can produce a merge conflict that has to be resolved manually, the same as any Git workflow. Teams that adopt Git integration should have at least one member comfortable resolving a conflict, or restrict it to authors who are already familiar with Git rather than introducing it as everyone’s first exposure to version control mid-manuscript.

Managing citations and references across co-authors

Because LaTeX handles references through a bibliography file rather than an inline reference-manager plugin, a few conventions keep a multi-author reference list consistent:

• One shared .bib file, not one per author. If each co-author maintains a separate bibliography file and they get merged late, duplicate entries with inconsistent citation keys are the most common resulting error.
• Reference-manager integration. Overleaf supports linking to a Zotero or Mendeley library and importing or syncing entries directly, which avoids hand-typing BibTeX entries and reduces the duplicate-key problem above.
• Citation keys as a naming convention. Agreeing on a consistent key format (e.g. authorYEARkeyword) before drafting starts makes it far easier for co-authors to find and reuse an existing entry instead of adding a near-duplicate.

Matching the Overleaf template to your target journal

Overleaf maintains a large gallery of ready-made templates, including official ones for many individual journals and publishers, which pre-configure the document class, layout, and reference style a specific journal expects at submission. Starting a manuscript from the correct journal template — rather than a generic article class reformatted later — avoids a category of late-stage rework that otherwise falls on whoever is preparing the final submission package, generally the corresponding author. This is a natural complement to the structural guidance in CASRAI’s manuscript-writing guide: the template supplies the mechanical formatting a target journal requires, while section content and structure follow the conventions covered there.

Common failure points and how to avoid them

• Compile errors from simultaneous edits. LaTeX is unforgiving of an unclosed brace or environment; one collaborator’s mid-edit syntax error can break the compiled preview for everyone viewing the project at that moment. Agreeing not to leave a section in a syntactically broken state when stepping away (or working in a separate file included via input) limits the blast radius.
• Splitting the manuscript into per-section files. For a longer paper, using input{} or include{} to split sections into separate files that different co-authors “own” reduces the odds of two people editing the same file block simultaneously, and makes it easier to see who last touched what.
• Free-tier history loss, revisited. The most common avoidable incident is a team discovering, after the fact, that a version they need to recover fell outside the free plan’s 24-hour history window. Decide the plan tier before drafting starts, not after something is lost.
• Permission drift. Reviewer/editor access assigned early in a project (e.g. giving a senior author reviewer-only access during initial drafting) is easy to forget to update once that person needs to make direct edits during a later revision round — check permissions when the manuscript moves between drafting phases.
• Treating Overleaf history as a substitute for a submission-ready archival copy. Project history is for in-progress recovery, not a permanent record. Export and archive the final compiled PDF and source at each major milestone (initial submission, each revision round, acceptance) the same way any version-controlled research output should be archived.

Frequently asked questions

Is Overleaf free to use for a research team?

Overleaf’s free plan supports one collaborator beyond the project owner, comments, and 24 hours of project history, but not track changes or Git integration, and it caps history recovery at 24 hours. Most teams of three or more co-authors, or any team that wants track changes or a longer revision history, need a paid individual plan (Student or Standard), the Pro plan, or an institutional Overleaf Commons licence, which many universities already hold.

Can multiple co-authors edit the same LaTeX document at the same time?

Yes — Overleaf supports real-time simultaneous editing with live cursors, similar to Google Docs, on every plan tier including free. What differs by plan is track changes (suggestion-based editing that can be accepted or rejected) and how much project history is retained if a team needs to review or restore an earlier version.

Does Overleaf integrate with Git or GitHub?

Yes, on paid plans. Overleaf’s Git integration exposes the project as a Git remote that can be cloned, committed to, and pushed/pulled from a local Git client or synced with a GitHub repository. It is a translation of Overleaf’s own history into Git rather than a full native Git implementation, but it supports offline editing and bringing in Git-based collaborators without requiring everyone to work in the browser editor.

How is this different from just tracking manuscript versions manually?

The underlying accountability problem — knowing which version is current and who changed what — is the same one covered generally in CASRAI’s guide on managing manuscript versions across co-authors. LaTeX and Overleaf don’t eliminate that responsibility; they give it dedicated tooling (project history, track changes, optional Git integration) instead of relying entirely on file-naming conventions and email threads, which is the more common failure mode with word-processor drafts.

What LaTeX editor do most academic research teams actually use for collaboration?

Overleaf is the dominant cloud-based option specifically because it removes local LaTeX installation and file-syncing as a barrier to co-authorship across institutions — a common scenario, since co-authors on a single paper frequently work at different universities with different local LaTeX setups. Locally installed LaTeX distributions (TeX Live, MiKTeX) paired with a separate file-sync or Git workflow remain an alternative some teams prefer, particularly those already comfortable with Git, but require more setup coordination across collaborators than a shared Overleaf project.