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Records Authority
Category: Records Storage and Media

Interfile

Also known as: Interfiling
Simply put

To interfile means to add a document into an existing file so that it is arranged in its proper place among the materials already there. In a records context, an interfile is often a document that had not previously been sent to an archives but is now being transferred to be added into an existing file.

Formal definition

In recordkeeping practice, to interfile is to arrange a document within, or add it to, an established file so that it is integrated into the correct sequence or grouping of existing records rather than held as a separate item. The term is also used as a noun to describe such a document: for example, an interfile may be a record not previously transferred to an archives that is subsequently sent to be incorporated into an existing file held there. The recordkeeping sense should be distinguished from unrelated usages of "interfiling" in other domains, such as certain immigration adjustment-of-status procedures, which fall outside the scope of this definition.

Why it matters

The integrity of a filing system depends on records being placed where they can be found and understood in relation to the materials around them. When a document is interfiled correctly, it takes its proper place within an existing file, preserving the arrangement that gives the file its evidential coherence. A document that belongs in a file but sits apart from it, or that is inserted out of sequence, can undermine the usability of the record and make it harder to reconstruct the activity the file documents.

Interfiling is particularly significant in an archival context, where an interfile may be a document that was never previously transferred to an archives but is later sent to be incorporated into a file already held there. Handling such additions carefully matters because the receiving repository must integrate the new material without disturbing the authenticity, integrity, and existing order of the records it already holds. Depending on organizational policy and the practices of the repository, this may involve confirming that the document genuinely belongs to the file in question and documenting when and how it was added.

Professionals should also note that "interfiling" is used with an entirely different meaning in some other domains, notably in certain immigration adjustment-of-status procedures, where it refers to transferring the underlying basis of a pending application. That usage is unrelated to recordkeeping and falls outside the scope of this term.

Who it's relevant to

Records Managers
Those responsible for maintaining filing systems rely on interfiling to keep files complete and correctly ordered, ensuring that documents belonging to an existing file are integrated rather than left as separate or misplaced items.
Archivists
Archivists handle interfiles when records not previously transferred to an archives are later sent to be added within files already held. They must incorporate such documents while preserving the authenticity, integrity, and established arrangement of existing holdings.
Records Clerks and Registry Staff
Staff who carry out day-to-day filing perform interfiling as a routine task, placing documents in their proper sequence within existing files so that the materials remain usable and retrievable.

Inside Interfile

Filing action
Interfiling refers to the act of placing a document, folder, or item into its correct position within an existing, ordered file or arrangement, rather than simply adding it at the end or in a temporary location. The action integrates the item into the established sequence so the collection remains complete and navigable.
Ordering scheme
Interfiling depends on a pre-existing arrangement or classification order, such as alphabetical, numerical, chronological, or subject-based sequence. The correct insertion point is determined by that scheme, so interfiling cannot occur meaningfully without an established order to insert into.
Insertion point
The specific location within the sequence where the new item belongs. Determining this typically requires comparing the item's index value (for example, a name, number, or date) against surrounding items to find where it fits.
Physical or logical context
Interfiling applies in physical recordkeeping environments, where paper files are placed into cabinets, drawers, or shelves, and by analogy in logical or electronic environments where items are positioned within an ordered structure. The recordkeeping meaning centers on maintaining an ordered arrangement so items can be reliably located and their context preserved.

Common questions

Answers to the questions practitioners most commonly ask about Interfile.

Is interfiling the same as archiving records?
No. Interfiling is the operational act of inserting individual records or documents into their correct positions within an existing, active file or arrangement so that the sequence and integrity of the filing system are maintained. Archiving, by contrast, is a disposition-related activity concerned with the ongoing preservation of records that have continuing value, often following their transfer out of active use. Interfiling typically occurs while records remain in current or semi-current use, whereas archiving relates to a later stage in the lifecycle. Conflating the two can obscure the distinction between routine file maintenance and formal disposition decisions.
Does interfiling apply only to paper records?
Not exclusively, though the term originates in and is most closely associated with physical filing, where a document is physically placed into its correct location within a folder, drawer, or shelf sequence. The underlying concept, placing a record into its correct position within an established order, can extend to electronic environments where records are inserted into structured folders, classification schemes, or ordered collections. However, professionals should be aware that in electronic systems the mechanics differ substantially, and the term is used more loosely there. The core meaning concerns maintaining correct placement within an existing arrangement rather than the medium involved.
How can errors during interfiling be minimized?
Accuracy in interfiling typically depends on a clear and consistently applied filing scheme, legible and standardized indexing or classification metadata on each item, and staff who are trained in the applicable arrangement conventions. Depending on organizational policy, quality checks such as periodic audits of file order or verification steps at the point of insertion may be used. Because misfiling can render a record effectively unfindable and may compromise its usability as evidence, many organizations treat consistent placement as a control worth monitoring rather than assuming accuracy.
Who is typically responsible for interfiling within an organization?
Responsibility often rests with records or filing staff, administrative personnel, or in smaller settings the individuals who create or handle the records. Depending on organizational structure and policy, interfiling may be centralized within a records unit or distributed among business areas that maintain their own active files. Clear allocation of this responsibility helps preserve the integrity and order of the filing system, though the specific arrangement varies considerably between organizations and sectors.
How does interfiling relate to classification and indexing?
Interfiling generally depends on prior classification and indexing, since the correct position for a record is determined by the scheme and metadata that describe where it belongs. Classification establishes the categories and structure of the arrangement, indexing provides the reference points that guide placement, and interfiling is the physical or logical act of putting the record where those systems indicate it should go. Weaknesses in classification or indexing tend to surface as interfiling errors, so the activities are best understood as interdependent.
When is interfiling appropriate versus creating a new file?
Interfiling is generally appropriate when a record belongs within an existing file or sequence that already covers the relevant subject, transaction, or series, so that placement maintains the coherence of that grouping. Creating a new file is typically warranted when no suitable existing file exists, or when established classification and file-creation rules indicate that a distinct grouping is required. This judgment usually follows the organization's filing scheme and recordkeeping policy rather than ad hoc decisions, since inconsistent choices can fragment related records or overload existing files.

Common misconceptions

Interfiling is the same as simply adding a document to a file.
Adding a document may place it anywhere, including at the end or in a holding area. Interfiling specifically means inserting the item into its correct position within an existing ordered sequence, which requires reference to the established arrangement.
Interfiling determines a record's retention or disposition status.
Interfiling is a placement and arrangement activity concerned with locating an item correctly within an ordered file. It is distinct from retention, disposition, transfer, or destruction decisions, which are governed by separate policies and, in many jurisdictions, by statutory or regulatory requirements that depend on jurisdiction and sector.
Interfiling is only relevant to paper records.
While the term originates in physical filing, the underlying activity of inserting an item into its correct place within an ordered arrangement can apply by analogy in electronic or logical environments. The essential feature is maintaining an established order, not the medium itself.

Best practices

Confirm the governing arrangement scheme (alphabetical, numerical, chronological, or subject-based) before interfiling, so items are placed consistently against a known order.
Verify the correct insertion point by comparing the item's index value against surrounding items rather than relying on approximate placement.
Interfile promptly rather than allowing backlogs to accumulate, since misplaced or unfiled items typically reduce the reliability with which records can be located.
Keep interfiling separate from retention and disposition activities, treating placement as an arrangement task governed by its own procedures.
Preserve the context of the filed item by ensuring related materials remain together within the established sequence.
Where interfiling occurs in electronic or logical structures, apply the same discipline of inserting items into their correct ordered position rather than defaulting to unordered addition.