Direct answer
Direct Answer - Yes. Turnitin stores submitted papers in its student paper repository, and it is your institution that decides which repository each submission enters — standard, institutional, or private — where the paper can be retained for the life of the institutional agreement [1]. Because stored papers are compared against every future submission, resubmitting your own earlier work, or reusing large portions of it, will typically surface as a similarity match rather than go unnoticed [1]. The paper is not sold or made publicly available, but it does become part of the database used for plagiarism checks [1].
How Long Does Turnitin Keep Submitted Papers in Its Student Paper Repository?
Turnitin retains submitted papers according to the agreement your school has with Turnitin, and papers can remain in the repository for the duration of that institutional contract [2]. In practice, this means a paper you submitted as a first-year student can still be sitting in the database when you are writing your final dissertation [2].
Institutions control repository membership through assignment settings: papers can enter the standard repository (visible to all Turnitin users), an institutional repository (limited to your own university), or a private repository, and in some configurations papers are not stored at all [2]. If your instructor has disabled repository inclusion, your submission will not be retained — but under default settings, that is the exception rather than the rule [2].
Deletion is possible only in specific circumstances, such as when your institution formally requests it or when local law requires removal [2]. You should assume that an ordinary submission is effectively permanent, even though privacy protections guarantee Turnitin will not sell, publish, or publicly display your work; retention exists for matching purposes, not publication [2].
If I Resubmit My Own Previously Submitted Work, Will Turnitin Flag It as Plagiarism?
The similarity report compares every new submission against the student paper repository, so your own previously stored paper is treated exactly like any other source text [3]. Reusing an old essay verbatim can therefore produce a high similarity score even though every word is yours [3].
This is why the situation is commonly described as self-plagiarism: Turnitin's matching engine does not distinguish "your past work" from "someone else's past work" — it simply reports overlapping text regardless of authorship [3]. Instructors can see the source of each match and decide for themselves how to interpret it, and many academic integrity policies treat wholesale reuse of your own prior work as a violation [3].
The practical takeaway is straightforward: resubmitting the same paper, or a lightly edited version of it, creates a visible audit trail in the similarity report [3]. If you want to build on an earlier essay, rewrite the content substantially so that matching text stays minimal, and be prepared to discuss your reuse with your instructor if a match appears [3].
How Can I Check My Draft for Similarity and AI Flags Before Turnitin Ever Stores It?
The best time to catch problems is before submission, because once a paper is stored it can match against itself in future checks and the similarity and AI flags become part of your academic record [4]. Previewing a draft while the file is still under your control lets you fix issues on your own terms instead of discovering them after the deadline [4].
You do not have to wait for your instructor's submission window to see how your draft will perform [4]. Checking services that generate Turnitin-style similarity and AI writing reports show you the same signals your professor will see — overall AI score, per-section flags, and similarity match highlights — without your file ever entering an institutional repository [4].
Because a preview draft is never archived or sent to Turnitin's database, you can revise, re-check, and confirm that your report looks clean before the official submission [4]. That gives you a factual picture of your draft's standing without changing how the final version will be processed when you submit it for real [4].
Whether you are worried about accidental self-plagiarism or an unexpectedly high AI score, the smartest move is to preview your draft before it enters any institutional database. Turnitin0 gives you real Turnitin similarity and AI writing reports on your own file — with no archiving, no third-party database, and no effect on your official submission. See exactly what your instructor will see, then submit with confidence.
※ Turnitin0.com - Actual Turnitin AI Report Cover, Score, Flag And Similarity Summary
FAQ
Does Turnitin keep my paper forever?
Under default settings, papers remain in the repository for the life of your institution's agreement with Turnitin, which usually spans your entire enrollment [2]. Only an institutional request or a legal obligation triggers removal [2].
Can I delete my paper from Turnitin's repository myself?
No. Students cannot remove their own papers; deletion must be requested through your instructor or institution, and approval is not guaranteed [2].
Will Turnitin flag me if I reuse my own old essay?
Yes. The similarity report treats your previously stored paper like any other source, so reused text will show up as a match even though you wrote it [3]. Substantial rewriting is the safest way to avoid a high score [3].
If I check my paper with a third-party service, does Turnitin store it?
Only submissions made through your institution's Turnitin account enter the repository [1]. A preview check that never goes through your school's submission system is not archived, so it cannot create a future match [4].
What does *% mean on a Turnitin AI report?
Any AI writing score below 20% is displayed as *% rather than a single-digit number [4]. A 0% result is the only explicit low numeric outcome, and it means no AI-generated text was detected in the checked draft [4].