Music files
The actual MP3, WAV, AIFF and other playable files that Serato references in their existing locations.
DJ Bill Bass presents
Never lose your DJ library.
Protect the music, crates, cue points, beatgrids, loops and tags you have spent years building—and make the working library easy to move to another Serato computer when you need it.
Library protected
After every gig
Internal DJ MUSIC → portable SSD
DJ PORTABLE
exFAT · readable and writable on Mac + PC
A separate partition organizes the library. A separate physical drive protects it.
If the laptop’s internal SSD fails, both internal volumes can disappear together. The external clone—and ideally a third versioned archive—is the actual protection.
01 Why this matters
Your library is far more than a folder of songs.
The irreplaceable part is often the work surrounding the audio: the decisions, preparation and organization that let you perform quickly under pressure.
Crates and subcrates
Your event, genre, decade, clean-only, request and emergency crates—often years of curation.
Performance prep
Cue points, loops, beatgrids, BPM, analysis data, key information and saved track preparation.
Tags and decisions
Titles, comments, genres, clean/dirty notes, ratings and all the small choices that make tracks findable.
Serato’s automatic library backup is useful—but it is not a complete music backup.
Serato source ↗
Serato keeps recent library database backups, while music files and some other content are excluded. Maintain your own independent copies.
02 The architecture
The whole system in one picture.
The internal SSD is divided into a system volume and a dedicated DJ MUSIC volume. A separate external SSD mirrors the DJ MUSIC volume and becomes the portable working copy.
GIG LAPTOP · INTERNAL PHYSICAL SSD
Two logical volumes
Volume 1
System
The computer, software and operating-system side.
macOS or Windows
Serato DJ Pro
Drivers and applications
Local preferences and history
Volume 2
DJ MUSIC
The clean, dedicated root for the working music library.
_Serato_ drive data
Disco / Hip-Hop / R&B
House / Latin / Wedding
All permanent DJ audio
DJ PORTABLE SSD
An exFAT-formatted mirror of the DJ MUSIC volume that can be connected to another Mac or Windows computer running Serato.
Readable and writable on Mac + PC
Same root folder structure
Music and drive-level library data
Writable for cue and crate changes
Kept current after every gig
Important: the second internal volume is not a backup. It still lives on the same physical SSD as the operating system. The separate exFAT portable SSD is the independent copy that protects the library and makes it movable.
03 Why use a separate volume?
Cleaner roots. Less dependence on one username.
The major advantage is a predictable, drive-based library structure. That makes the cloned external copy easier for Serato to recognize as a portable library.
Music buried inside the system account
User-dependent
Mac: /Users/Username/Music/Disco/Artist - Title.mp3
PC: C:\Users\Username\Music\Disco\Artist - Title.mp3
The path includes a specific computer account name.
Moving to another machine may require relocation or a matching folder structure.
The library is easier to scatter across Desktop, Downloads and Music.
Music on a dedicated mounted volume
Preferred
Mac: /Volumes/DJ MUSIC/Disco/Artist - Title.mp3
PC: M:\Disco\Artist - Title.mp3
The username is no longer part of the music path.
The volume becomes the consistent library root.
Serato maintains drive-level library information in a root
_Serato_ folder.
Why this setup works
The dedicated music volume creates a clean, predictable library root that is not buried under one computer username. That makes the mirrored portable drive easier to move between computers while preserving the same folder structure and drive-level Serato data.
04 Build the dedicated volume
Set up the computer before moving the library.
Back up the current computer first. Changing a disk layout always carries risk, even when the operating system provides a supported tool.
01
Create a verified backup before touching the disk layout.
Close Serato and make sure the current music and Serato data exist on another physical drive.
02
Open Disk Utility.
Choose the existing APFS container or volume in the sidebar. On modern Macs, adding an APFS volume is usually preferable to making a rigid old-style partition.
03
Choose Add APFS Volume.
Click the plus / Add Volume control and name the new volume DJ MUSIC.
04
Use a normal APFS format unless your workflow requires something else.
APFS volumes in the same container share available free space. A quota is optional and should be used only when you intentionally want a hard limit.
05
Verify the new volume in Finder.
It should mount separately and appear as DJ MUSIC before any music is moved.
01
Create a verified backup before changing partitions.
Close Serato and copy the current music and Serato data to another physical drive.
02
Open Disk Management as an administrator.
Right-click the Start button and choose Disk Management.
03
Shrink the existing C: volume.
Right-click C:, choose Shrink Volume and enter the space to reserve for the DJ library.
04
Create a New Simple Volume in the unallocated space.
Use NTFS for a Windows-only internal volume and label it DJ MUSIC.
05
Assign a stable, recognizable drive letter.
A letter such as M: makes the music volume easy to identify. Avoid changing that letter after Serato begins using it.
05 Build the folder structure
Keep the library simple and permanent.
The exact genres can be yours. The important part is that every track receives a permanent home on DJ MUSIC before it is added to Serato.
DJ MUSICRecommended root structure
▾ DJ MUSIC
▸ _Serato_
▸ 00_INCOMING
▸ Disco & Funk
▸ Hip-Hop
▸ 80s · 90s · 2000s · 2010s
▸ R&B & Soul
▸ House & EDM
▸ Latin
▸ Reggae & Dancehall
▸ Rock
▸ Wedding
▸ Current Music
Four rules that prevent most missing-file problems
1
Give new music a permanent home first.Do not import from Downloads, Desktop or a temporary unzip folder.
2
Keep the folder hierarchy shallow and understandable.Simple folders are easier to troubleshoot, clone and relocate.
3
Do not casually rename or move imported tracks.Serato references files where they already live. Moving them can create missing tracks.
4
Never manually reorganize the contents of _Serato_.Treat it as application data. Copy it only while Serato is closed.
Adding music to Serato does not copy the audio into Serato.
Serato source ↗
Serato references the file in its existing location. That is why the permanent folder decision should happen before import.
06 Move an existing library safely
Do not delete the old copy until the new one proves itself.
The safest migration keeps filenames unchanged, preserves all Serato data, and uses Relocate Lost Files only after a complete backup exists.
1
Back up the current state.
Copy the current music, every relevant _Serato_ folder and the computer-level Serato Library folder to an independent drive.
Serato should be closed during the copy.
2
Copy the audio to DJ MUSIC without renaming files.
Preserve the existing filenames and folder structure during the initial move.
3
Open Serato and inspect the library.
Display the Location column. Tracks still pointing to the old path may appear missing after the original location is unavailable.
4
Point Relocate Lost Files at the new DJ MUSIC root.
Drag the new containing folder onto Relocate Lost Files so Serato can update track locations.
5
Test widely before removing anything.
Open multiple crates, load tracks from several folders, confirm cue points and beatgrids, close and reopen Serato, then create the first external clone.
07 Know what must be copied
A complete Serato recovery has three parts.
The portable music volume carries the day-to-day working library. A small additional archive of computer-level Serato data improves a full machine replacement.
1. All music files
DJ MUSIC / all genre folders
- The playable audio
- Permanent filenames and folders
- Any file-embedded tags or analysis data
2. Every relevant _Serato_ folder
DJ MUSIC / _Serato_
- Drive-level library database
- Crate and track information associated with that volume
- Also check the user Music folder and other drives
3. Computer-level Serato Library
Mac: ~/Library/Application Support/Serato/Library
PC: C:\Users\<name>\AppData\Local\Serato\Library
- History sessions
- Preferences and crate order
- Other local library information
Store the computer-level Library folder inside a clearly named archive folder.
Official migration guide ↗
For example: SERATO COMPUTER BACKUP / Library. Do not create a competing root _Serato_ folder by accident.
08 Prepare the portable SSD
Format the portable SSD as exFAT.
For this workflow, exFAT is the preferred external-drive format because both macOS and Windows can read from it and write to it without additional file-system software.
Preferred format for DJ PORTABLE
Use exFAT for the external SSD.
Recommended
When formatting the portable drive, choose exFAT and label it DJ PORTABLE. Mac and Windows both provide native read-and-write access, allowing the same music and Serato library to move between either platform.
Mac read + write
Windows read + write
No extra file-system driver
Workflow
Format
Practical note
Mac and WindowsPreferred
exFAT
Best match for this portable-library method. Both platforms can read and write the drive without extra file-system software.
Mac onlyAPFSA strong Mac-only option, but Windows does not support APFS natively.
Windows onlyNTFSA strong Windows-only option, but macOS normally cannot write to NTFS without additional software.
A gold lock in Serato is a stop sign.
Serato source ↗
A read-only drive may let tracks play while failing to preserve crate, cue, tag or analysis changes after the session. Confirm that you can create, rename and delete a test file on the drive.
09 Create two clearly named jobs
Direction is the most important setting.
Carbon Copy Cloner on Mac and Bvckup 2 on Windows can both support this workflow. Use explicit one-way tasks instead of an ambiguous two-way sync.
Job one · normal direction
After the gig
INTERNALNewer source
PORTABLEDestination
Source: the complete DJ MUSIC volume
Destination: the dedicated external SSD
Run only after Serato is fully closed
Review the completion log every time
01 AFTER GIG — DJ MUSIC TO DJ PORTABLE
Job two · reverse direction
Return to the gig laptop
PORTABLENewer source
INTERNALDestination
Use only after editing on the external drive
Do not open Serato before the return copy
Confirm source and destination out loud
Test recent edits after completion
02 RETURN TO LAPTOP — DJ PORTABLE TO DJ MUSIC
Carbon Copy Cloner 7 users: force a full rescan after the portable drive has been edited elsewhere.
CCC 7 Quick Update note ↗
Hold the Option key while clicking Start to suppress Quick Update and make CCC rescan the entire source and destination. Older CCC versions may have described this as a “Standard Copy.” CCC will still copy only items it determines are different.
Never make both directions automatic when the drive is connected.
These jobs intentionally point opposite ways. They should require a deliberate choice so the older copy never overwrites the newer one by surprise.
10 The working cycle
Only one copy is the master at a time.
Use the buttons to see who owns the newest library at each stage. This single-master rule prevents conflicting edits.
Current master
Gig laptop · DJ MUSIC
The laptop contains the newest play history, crate changes, cue adjustments and any music added during the working cycle.
- Close Serato
- Connect DJ PORTABLE
- Run Job 01
Receiving copy
Portable SSD
The external drive is updated to match the working DJ MUSIC volume.
- Review the log
- Test selected tracks
- Eject properly
After the gig, the internal DJ MUSIC volume is authoritative. Copy it outward before doing any desktop library work.
11 The detailed routine
Close Serato, copy deliberately, verify the result.
The software is less important than the discipline: close the database-writing application, confirm direction, review errors and test the library.
At the gig laptop
Finish the session, close Serato normally and wait until it is fully closed. Connect the external SSD and run the internal-to-portable task.
At the comfortable workstation
Connect the writable portable SSD, open Serato and work directly from that drive. Set cues, fix grids, edit tags and organize crates.
Before the next gig
Close Serato on the workstation. Connect the portable SSD to the gig laptop and run the reverse task before launching Serato there.
Do not edit both copies independently between transfers.
If new tracks are added to the laptop while cues and crates are changed on the portable drive, a simple mirror cannot know which independent changes you intended to keep. Stop and reconcile before running either direction.
12 Operating checklists
Use the same sequence every time.
These boxes are interactive in the browser and print cleanly as a quick-reference sheet.
Checklist A
After every gig
Checklist B
Desktop library work
Checklist C
Return to the gig laptop
13 Strengthen the system
A mirror is current. An archive remembers.
A current portable clone handles a failed laptop. A third versioned or offline copy protects against accidental deletion, corruption, ransomware or a bad reverse sync.
Internal DJ MUSIC
The normal day-to-day working library on the gig laptop.
Fastest working copyDJ PORTABLE
The current external mirror and emergency portable performance library.
Fast replacementDJ ARCHIVE
A disconnected, versioned or off-site copy that does not immediately mirror every deletion.
History and recovery14 Test before an emergency
A backup is only proven after a restore test.
Connect the portable drive to another compatible Serato computer and confirm that the library behaves the way you expect before you rely on it for a live event.
Portable-library test
Expected crates and subcrates appear.
Recently added tracks are present.
Several tracks load without File Not Found.
Cue points, loops and beatgrids appear.
The drive has no gold read-only lock.
Changes survive after Serato closes and reopens.
Emergency computer test
Install a compatible Serato version and hardware drivers.
Connect DJ PORTABLE before opening Serato.
Test your controller or mixer and audio outputs.
Load music from multiple genres and crates.
Keep the computer-level Library archive available for a fuller restoration.
Serato stores external-drive library information on the external drive.
Serato source ↗
When music and its library data are correctly maintained there, connecting that drive to another Serato computer can make the associated tracks and crates visible.
15 Avoid these mistakes
The dangerous failures are usually procedural.
Most of this system is simple. The risk comes from copying in the wrong direction, working on both versions, or assuming a copy is healthy without testing it.
Running a copy while Serato is open
Close Serato first so its database files are not being changed during the backup.
Choosing the wrong direction
The older destination can overwrite or delete newer work. Read the source and destination before clicking Start.
Editing both copies independently
A one-way mirror cannot merge two different sets of new changes intelligently.
Using a read-only external drive
Tracks may play while cue, crate, tag and grid changes fail to persist.
Renaming imported audio outside Serato
Changing filenames or locations can break Serato’s references and create missing tracks.
Believing the second partition is the backup
Both internal volumes remain vulnerable to failure of the same physical SSD.
Mirroring accidental deletions everywhere
A current clone needs a third versioned or offline archive behind it.
Never testing the portable copy
A green completion message does not prove that crates, files and metadata will work on another computer.
16 Fast answers
Common questions about the backup system.
These answers explain the difference between music files, Serato library data, drive formats and the backups that protect everything.
Does the second internal volume count as a backup?
No. It is a separate logical volume on the same physical SSD. It improves organization and portability, but the external SSD is the independent copy.
Why does a dedicated music volume make the library easier to move?
The music volume mounts as its own library root, so the track locations are no longer buried beneath one computer username. That structure is easier to mirror onto DJ PORTABLE and use from another Serato computer.
Why keep the file paths short and simple?
Short, tidy paths are easier to understand, troubleshoot, clone and relocate. The biggest practical advantage is a predictable library structure that is not tied to one user account.
Why is exFAT the preferred format for DJ PORTABLE?
Both macOS and Windows can read and write exFAT without extra file-system software. That lets the same portable Serato library move between a Mac gig laptop, a Windows desktop or an emergency backup computer.
Why not just drag the MP3 folders to an external drive?
That protects the audio but may not capture all crates, library databases, history, preferences and drive-level metadata. A full recovery includes music, relevant _Serato_ folders and the computer-level Serato Library folder.
Can I work on the laptop and desktop at the same time?
Not safely with this mirror workflow. Pick one current master, finish the work, close Serato and transfer that complete state before editing the other copy.
Does this exact folder system apply to rekordbox, VirtualDJ or Traktor?
The high-level principles—permanent file locations, independent copies, one master at a time and restore testing—still apply. The exact database folders and migration steps are Serato-specific and should be replaced with the other software’s official instructions.
17 The entire method
Five rules to remember.
This is the condensed version to put beside the DJ computer.
Rule 01Keep DJ music on its own clean volume.
Rule 02Close Serato before every full library copy.
Rule 03Know which copy is the current master.
Rule 04Confirm the direction before pressing Start.
Rule 05Keep a third archive and test restores.
18 Official documentation
Current setup and recovery references.
Software interfaces and menu names can change. These official guides provide current instructions for disk setup, Serato migration, portable libraries and backup software.
Backing up and moving a Serato librarySerato Support ↗
What is in the _Serato_ folder?Serato Support ↗
External hard drives and portable librariesSerato Support ↗
Serato library auto-backupSerato Support ↗
Read-only drives and gold lock iconsSerato Support ↗
Using Relocate Lost FilesSerato Support ↗
Add an APFS volume on MacApple Support ↗
Create and format a volume in WindowsMicrosoft Support ↗
Set up a Carbon Copy Cloner taskBombich Software ↗
CCC 7: suppress Quick Update for a full rescanBombich Software ↗