Rename FilesAdd Prefix / Suffix

🏷️ Prefix & Suffix

Add a Prefix or Suffix to Multiple Files at Once

Prepend a date, project code, or status label — or append a version number or tag — across hundreds of files in seconds. Preview every result before touching a single file.

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✓ Prefix & suffix in one pass✓ Date insertion built-in✓ Windows 10 / 11✓ Undo in one click

What does "add prefix to file names" mean?

Adding a prefix means prepending text to the beginning of every filename in a batch — for example, turning "report.pdf" into "2026-10-26_report.pdf". Adding a suffix appends text before the file extension — turning "report.pdf" into "report_FINAL.pdf". Renomee applies both in a single pass with a live preview, so you see exactly how every filename will look before anything is written to disk.

🏷️Prefix + SuffixApply both in the same operation

📅Date variablesInsert file date in any format

📁Unlimited filesWhole folders in one batch

↩️One-click undoRestore originals any time

Without a prefix, batch-produced files are impossible to sort.

When dozens of apps, scripts, or people produce files with no consistent naming convention, every folder becomes a search problem. Adding a shared prefix — a date, a project code, a department tag — instantly makes files sortable, filterable, and meaningful. The same logic applies to suffixes: "_FINAL", "_v2", "_approved" tell you the state of the file without opening it.

→Daily exports: add today's date as prefix so "report.csv" becomes "2026-10-26_report.csv"
→Project handoffs: prefix all files with the project code so "brief.docx" becomes "PRJ-42_brief.docx"
→Review cycles: suffix deliverables with "_DRAFT" or "_FINAL" to track status at a glance
→Client folders: prefix with client initials so "invoice.pdf" becomes "ABC_invoice.pdf"
→Archiving: suffix with "_archived" before moving files to cold storage

How to add a prefix or suffix to multiple files

📁

Add your files

Drag in files or an entire folder. No batch size limit.

💬

Describe what you want

Type a plain-language instruction — "add today's date as prefix" or "append _FINAL to every file". No UI configuration or field-by-field setup. Renomee understands what you mean.

👁️

Preview every result

Every old and new filename is shown side by side before anything changes. Adjust by saying what's wrong — Renomee corrects and re-previews.

✅

Apply — or undo

One click applies to all files. One-click undo reverts everything if needed.

Common prefix and suffix scenarios

These are the most frequent use cases. Say what you want — Renomee figures out the rest.

📅Add today's date

Prefix2026-10-26_

💬

Say to Renomee"Add today's date as prefix, format YYYY-MM-DD"

Result2026-10-26_report.pdf

🏢Add project code

PrefixPRJ-42_

💬

Say to Renomee"Add PRJ-42_ as prefix to all files"

ResultPRJ-42_brief.docx

✅Mark as final

Suffix_FINAL

💬

Say to Renomee"Append _FINAL to every filename"

Resultproposal_FINAL.pdf

🔄Add version number

Suffix_v2

💬

Say to Renomee"Add _v2 suffix to all files"

Resultdesign_v2.fig

👤Add client initials

PrefixABC_

💬

Say to Renomee"Prefix all files with ABC_"

ResultABC_invoice.pdf

📦Prefix + suffix together

Prefix2026_

Suffix_archived

💬

Say to Renomee"Add 2026_ prefix and _archived suffix"

Result2026_export_archived.csv

📅 Date Variables

Insert dates automatically — no typing required

Instead of typing today's date manually, Renomee can insert it as a variable. Choose between the file's creation date, modification date, or the current date — and pick any format.

YYYY-MM-DD→2026-10-26_report.pdf

YYYYMMDD→20261026_report.pdf

MM-DD-YYYY→10-26-2026_report.pdf

YYYY-MM→2026-10_report.pdf

Before & After

📄 report.pdf→📄 2026-10-26_report.pdf

Date prefix

📄 brief.docx→📄 PRJ-42_brief.docx

Project code prefix

📄 proposal.pdf→📄 proposal_FINAL.pdf

Status suffix

📄 design.fig→📄 design_v2.fig

Version suffix

📄 invoice.pdf→📄 ABC_invoice.pdf

Client initials prefix

📄 export.csv→📄 2026_export_archived.csv

Prefix + suffix together

📄 IMG_4823.jpg→📄 Tokyo-trip_IMG_4823.jpg

Trip label prefix

📄 contract.docx→📄 contract_SIGNED.docx

Signed status suffix

Who uses batch prefix and suffix renaming?

Any workflow that produces files needing a consistent label or date stamp.

Office & admin

Date-stamp daily exports and reports, prefix invoices with client codes, suffix contracts with "_SIGNED" or "_PENDING".

Designers

Version deliverables with "_v1", "_v2", "_FINAL". Prefix files with client initials before sharing. Suffix approved assets with "_approved".

Photographers

Prefix photo batches with shoot date or location. Suffix selects with "_edit" to distinguish from originals.

Developers

Prefix test fixtures or seed files with environment name (dev_, staging_). Suffix build outputs with version tags.

Researchers

Prefix data exports with collection date, suffix drafts with "_draft" or "_submitted".

Archivists & IT

Prefix all files in a folder with a year or project tag before archiving. Suffix with "_bak" before migration.

Renomee vs Windows Explorer vs PowerRename

Windows has no built-in prefix/suffix tool. Here is how the options compare.

	Renomee	Windows Explorer	PowerRename (PowerToys)
Add prefix to all files	✅ Yes	❌ No	✅ Via find & replace
Add suffix to all files	✅ Yes	❌ No	✅ Via find & replace
Prefix + suffix in one pass	✅ Yes	❌ No	⚠️ Two separate operations
Date variable insertion	✅ Built-in	❌ No	❌ No
Preview before applying	✅ Full table view	❌ None	✅ Live preview
Undo	✅ One-click in-app	✅ Ctrl+Z (limited)	❌ No dedicated undo
AI rename in same tool	✅ Yes	❌ No	❌ No

💡 PowerRename can add a prefix by replacing the start of the filename with "prefix + original". Renomee has a dedicated prefix/suffix field — simpler and supports date variables natively.

FAQ — Add prefix or suffix to file names

How do I add a prefix to multiple files at once in Windows?

In Renomee, drag in your files, type the prefix text, preview how every filename will look, then click Apply. All files are renamed in one step. No command line or scripting needed.

Can I add today's date as a prefix to file names?

Yes. Renomee lets you insert the current date (or file creation / modification date) as a prefix or suffix in any format — YYYY-MM-DD, YYYYMMDD, MM-DD-YYYY, and more.

Can I add both a prefix and a suffix in the same batch?

Yes. Set a prefix and a suffix at the same time — for example, prefix "2026_" and suffix "_FINAL". Both are applied to every file in a single pass.

Does Windows Explorer support adding a prefix to file names?

No. Windows Explorer can rename files one at a time or add a sequential number, but it cannot add the same prefix or suffix to all selected files in one step.

Can I add a separator between the prefix and the original filename?

Yes. Just include the separator in the prefix itself — for example type "2026-10-26_" (with trailing underscore) and the result will be "2026-10-26_originalname.pdf".

What if I only want to add a suffix, not a prefix?

Leave the Prefix field empty and fill in the Suffix field only. Renomee applies whatever is filled in — prefix only, suffix only, or both.

Does the suffix go before or after the file extension?

Before the extension by default — so "report.pdf" with suffix "_FINAL" becomes "report_FINAL.pdf", not "report.pdf_FINAL". You can choose to include the extension if needed.

Can I undo after adding a prefix to all files?

Yes. Renomee shows a full before/after preview before applying. After applying, one-click undo restores every original filename instantly.