Any version of Canister that is older than 1 year is unsupported and considered legacy. Chances are that a legacy version will work completely fine, but if you run into trouble, try to reproduce the issue with the most recent release before requesting support.

Canister 24.2

Introducing Canister Pro for Mac, including an innovative Tape Library Manager, firmware update notification for Windows, Choose files to Skip and more.

Canister 24.2.1 (June 4th, 2024) - Download

  • Several improvements to the Cataloging engine (Thanks, Roger πŸ™)

  • The "Retrieve with Full Path"-checkbox works once again

  • Fix for detecting Ethernet-based desktop LTO drives

  • Improved handling of tapes formatted with LTFS by Archiware P5

Canister 24.2 (May 21st, 2024) - Download

  • Introducing Canister Pro for macOS!

  • New in Pro: Single Drive Tape Library support (Huge thanks to Magstor for helping with the hardware, and to our Beta Test crew Joe, Henry, and Tom πŸ™)

  • Choose which file types Canister should skip during transfer.

  • Fix for a rare item counter issue when Spanning.

  • Various improvements down in the engine room.

Canister 24.1

Pick & Mix Collections, Ethernet LTO drive support, plus a swathe of updates for Windows.

Canister 24.1.2 (February 28th, 2024) - Download

  • Fix for multiple compression state messages in the Console.

  • Additional tweaks to keep Connect running smooth.

Canister 24.1.1 (January 31, 2024) - Download

  • Fix a rare bug causing some HP drives to not show the mount button.

  • Catalog searches now work for everybody once again πŸ™‚

Canister 24.1 (January 9, 2024) - Download

  • Add more items to a Collection using Pick & Mix.

  • Support for Symply's Ethernet-connected LTO drives.

  • Preflight Checks now notifies you when new LTO firmware is available.

  • Catalog support is now bundled with Canister, removing the need for Apple's Command Line Tools πŸ˜…

  • Transfer results are logged to the Console to make sure our Support team can help you even faster.

  • Improved handling of incompatible tapes.

Canister 23.2

Support for Windows, Connect and NanoPure media.

Canister 23.2.2 (November 8, 2023) - Download

  • Right click anywhere in the Drive node to show the Drive Menu.

  • Moot __MACOSX folders are ignored when Archiving.

  • Console Auto-Scroll improvements.

  • Stop button is now clickable when Spanning is waiting for the next tape.

Canister 23.2.1 (October 26, 2023) - Download

  • Connect improvements to keep things running smooth.

  • Log LTO compression state when loading a tape.

Canister 23.2 (October 10, 2023) - Download

  • Monitor LTO transfers from anywhere with Connect πŸ™Œ

  • Support for MagStor's NanoPure range of premium LTO media.

Canister 23.1

Collections for Canister, and more.

Canister 23.1.8 (October 06, 2023) - Download

  • Small improvements to help our support team live their best life.

  • Fix for an annoying crash with some older models of Quantum and HP LTO drives.

Canister 23.1.7 (September 27, 2023) - Download

  • New Netflix-Compatibility mode, disables LTO hardware compression

  • Improvements for LTO-6 drive behavior

  • Reinstate .txt file extension for Manifests

  • Fix for unnecessary "Completed with Warnings" transfer states (Thanks to Samuel, Andy, and Greg πŸ™)

Canister 23.1.6 (July 7, 2023) - Download

  • When spanning, the Transfer View scrolls to the current tape

  • Displays the amount of files being catalogued after mounting a tape

  • Transfer Logs now take into account files that have been removed from the Source during Archive

  • Fix for a rare crash when mounting tapes without a volume label (Thanks to Joe at The Oscars!)

  • Improved handling of write-protected tapes

Canister 23.1.5 (June 21, 2023) - Download

  • Lights out and away we go... ETA for Archive & Retrieve is here!

  • Write-protected tapes are no longer selectable for Archiving, to save you from some headaches down the road.

  • Sometimes spanning would not progress to a next tape due to an edge case. Big thanks to Jake, Jonathan, Josh, Ray, Sam, Scott & Yves for helping with hunting down this pesky nuisance πŸ™

  • Free space on a tape gets updated properly after archiving without having to unmount a tape first (Thanks, Christiaan & David!)

  • No more endless spanning caused by source files going MIA (Thanks, AJ & Darren!)

  • lots more little improvements behind the scenes, bonus points if you spot them all!

Canister 23.1.4 (Apr 7, 2023) - Download

  • Fix for a rare edge case that would prevent Canister from starting (Thanks, Arturo πŸ™)

Canister 23.1.3 (Mar 16, 2023) - Download

  • Newly created Destination folders are now automatically selected, saving you some clicks.

  • The Updates Available ribbon works again!

  • Fix for activation state not always showing in Preferences (Thanks, Joe & Cole πŸ™)

  • Unresponsive LTO drives no longer cause "something unexpected happened" alerts

  • Fix for the Format button not being visible at all times, when spanning (Thanks, Mattia πŸ™)

Canister 23.1.2 (Mar 3, 2023) - Download

  • Fixes a crash when Retrieving lots of files (Thanks, Fulvio and Neil πŸ™)

  • Choose where to save Manifests

  • Disables Cmd-Q when Spanning is waiting for a next tape

Canister 23.1.1 (Feb 22, 2023) - Download

  • Fix for HP drives giving us headaches (Thanks to Rick, Chris, Victor, Perry, and Brice!)

  • Starting Canister after a Force-Quit resets LTFS properly (Thanks to Corentin, Tom, and Fulvio!)

  • Fix for a subtle timing issue causing unnecessary Tape Not Unloaded alerts

  • Tapes are now preselected when you have just one LTO drive

  • Fix for a rounding error in the completed Spanning progress %

  • Mounted tapes now come with a nice icon

  • Improved human-readable units in Transfer Logs

  • Empty folders now have the correct folder icon in the Tape Browser

Canister 23.1 (Jan 25, 2023) - Download

  • Collections allow you to drag-n-drop any combination of items as a source.

  • Decide whether to eject, unmount, or do nothing with a tape after Archive and Retrieve.

  • Canister will tell you if there's a tape present but not loaded, with a new Load button.

  • macOS Sierra 10.12 is no longer supported.

Canister 22.3

A "Retrieve with Finder" extension, support for Ventura, and more...

Canister 22.3.5 (Jan 13, 2023) - Download

  • Early Warning Radar for LTFS errors that cause unsuccessful transfers.

  • One-Click Supportℒ️, for those cases where LTFS goes into a funk πŸ€ͺ

  • New setting to recreate the full path when retrieving.

  • For your entertainment, indexing now has a nice counter.

  • Command-W now works on the Console and Transfer Log windows.

  • If formatting fails, the tape name and serial are saved for a next attempt.

  • New setting to prepopulate a tape's serial with the date.

  • Detection of files going AWOL on a source during archiving.

Canister 22.3.4 (Jan 4, 2023) - Download

  • Fix for Cataloging not always finishing up properly

  • Console improvements that allow us to do even better customer support πŸ™‚

Canister 22.3.3 (Dec 29, 2022) - Download

  • Fix for HPE drive detection

  • Workaround for stalling indexes

Canister 22.3.2 (Dec 14, 2022) - Download

  • Canister now opens in the last used mode (Archive or Retrieve).

  • The Transfer and Warning logs are merged.

  • Improved Spanning progress bar accuracy.

  • Fix for MagStor B-series HBA download

  • Several spanning percentage improvements

  • Indexing tapes during spanning now shows the number of files indexed.

Canister 22.3.1 (Nov 15, 2022) - Download

  • Support for the new MagStor C-series HBAs.

  • Built-in a warning for starting a Repair, as that can be a bit time-consuming.

  • Improved illegal character prevention when setting a serial when formatting a tape.

  • Direct Warning Log access from the Window menu

  • A lot of visual polish; see if you can spot all five improvements!

  • Adds a Force-Quit option for when LTFS is stuck indexing. If you run into this, ping us.

Canister 22.3 (Oct 18, 2022) - Download

  • New: a Finder extension to Retrieve files directly from the Catalog.

  • Support for macOS 13 Ventura.

  • Selecting or unselecting all files when Retrieving is a lot easier now.

  • Set a custom Catalog location.

Canister 22.2

Official support for MagStor drives, and more.

Canister 22.2.11 (Sep 19, 2022) - Download

  • Fixes an issue where sometimes Canister could not mount a fresh tape during spanning.

  • Tape name and serial weren't always added to a Transfer Log after a Transfer.

Canister 22.2.10 (Aug 10, 2022) - Download

  • Fixes an issue where Canister could not always fetch the LTO drive vendor.

Canister 22.2.9 (Aug 09, 2022) - Download

  • Improved handling of HBAs that don't work well with LTFS.

Canister 22.2.8 (July 27, 2022) - Download

  • Improved error handling for troublesome tapes.

  • For test purposes, skip all Preflight Checks using the cheatcode idkfa

Canister 22.2.7 (July 15, 2022) - Download

  • Retrieving files now doesn't preselect everything on a tape.

  • The transfer view now also shows the destination folder(s).

  • Added LTFS version to Transfer Logs

  • Improved handling for tapes with WRITE PERM errors

  • A bunch of small copy changes to improve your well being 😁

  • Detection of HBAs that do not support LTFS

  • Improved macFUSE update flow, for when other FUSE mounts are present.

  • Added legacy ATTO drivers for 10.14 and older macOS versions.

  • As all new FUSE versions work fine with LTFS, the FUSE check now only checks for a minimum version.

Canister 22.2.6 (June 28, 2022) - Download

  • Fixes an issue where Canister lost its state after hiding in the Dock

  • Fix for endless cataloging after formatting a tape

  • Cosmetic changes, most notably on the Next and Previous labels that were missing some pixels.

Canister 22.2.5 (June 22, 2022) - Download

  • Fixed a crash that sometimes occurs after checksum creation.

Canister 22.2.4 (May 24, 2022) - Download

  • Preflight Checks no longer requires ATTO drivers to be up to date all of the time.

Canister 22.2.3 (May 13, 2022) - Download

  • We finally got rid of that ugly Mount button πŸ˜„

Canister 22.2.2 (May 3, 2022) - Download

  • Fixed a crash that sometimes occurred when Ejecting a tape.

  • Improved the color of the progress bar during Verification.

Canister 22.2.1 (Apr 15, 2022) - Download

  • Workaround for the endless "Cleaning Up..." issue, caused by a bug in LTFS. We're still waiting on feedback from IBM and FUSE, but don't want to keep you waiting on a fix in LTFS.

  • New Verification Watchdog, resolving stalling verifications.

  • Empty tapes are no longer cataloged.

Canister 22.2 (Apr 12, 2022) - Download

  • Preflight Check results are now logged in the console.

Canister 22.1

Spanning allows you to archive more data than fits on a single tape. Canister will ask you to add another tape when the first is full, and continues doing so until all data is archived.

Canister 22.1.3 (Apr 8, 2022) - Download

  • Improvement for HP LTFS now requiring FUSE to be installed before anything else.

Canister 22.1.2 (Mar 22, 2022) - Download

  • Fix for a rare crash related to the Erase view.

Canister 22.1.1 (Feb 23, 2022) - Download

  • Activating Canister would sometimes show an incorrect Upgrade popup, that's fixed.

  • We also fixed a crash when Destinations space runs out during Retrieval.

Canister 22.1 (Feb 1, 2022) - Download

Canister 21.2

Meet Preflight Checks: each time Canister starts, it runs a full diagnostics of your LTO setup and points out what is missing or needs updating.

Canister 21.2.3 (January 26, 2022) - Download

  • Polish for some Preflight Checks.

Canister 21.2.2 (December 30, 2021) - Download

  • Support for archiving Macintosh HD system disks (including /Library folders). NB: restoring macOS directly from tape is not recommended.

Canister 21.2.1 (December 16, 2021) - Download

  • Support for new ATTO driver for Big Sur and more mTape serials.

Canister 21.2 (December 9, 2021) - Download

Canister 21.1

Canister gains Duplicate Detection, skipping files that already exist on tape. Files with identical names, but different sizes or modification dates will replace the existing file, keeping the original available as a hidden file.

Canister 21.1.10 (November 09, 2021) - Download

  • Fix for retrieving files with % in their filenames.

Canister 21.1.9 (October 07, 2021) - Download

  • Our license provider WyDay released a fix for the activation issue present in macOS 10.12, 10.13, and 10.14.

Canister 21.1.8 (July 27, 2021) - Download

  • Sometimes, the registration for trials didn't go as planned. All good now.

Canister 21.1.7 (July 22, 2021) - Download

  • Due to a regression in macFUSE, it's no longer allowed to use commas in tape names (Thanks, Jimmy!)

  • Some licensees that got their license through a partner are asked to enter their email so we know who you are in case you need help.

Canister 21.1.6 (July 02, 2021) β€” Download

  • Adds support for the new Quantum LTFS driver on M1.

Canister 21.1.5 (June 08, 2021) β€” Download

  • Fixes a bug where sometimes a folder in a tape's root couldn't be selected when archiving.

Canister 21.1.4 (March 26, 2021) β€” Download

  • Fixes a bug that sometimes occurred when mounting a Catalog.

Canister 21.1.3 (March 24, 2021) β€” Download

  • Fixes a crash that sometimes occurred when mounting a tape.

  • Mounting, Indexing, and Cataloging stages are now visible in the interface when mounting a tape.

Canister 21.1.2 (March 01, 2021) β€” Download

  • Checks for the new ATTO drivers, as well as for SANLink and Arcsas.

  • Fixes few small bugs.

Canister 21.1.1 (February 19, 2021) β€” Download

  • Fixes a bug that caused the tape name to be NONAME.

  • Time Machine sidecar files ( are no longer archived.

  • The Transfer Log shows the destination root folder again.

  • Some text fields were stuck in dark mode. That's fixed.

Canister 21.1 (February 12, 2021) β€” Download

  • A brand new icon πŸŽ‰

  • Retrieving is again done alphabetically.

  • Proper depicting of the source name instead of always showing the volume name.

  • Added an 'Already Transferred' state when a transfer doesn't contain new files.

  • Selecting a Destination Folder now shows the correct tape name.

Canister 20.2

A new licensing system, and a boatload of improvements.

Canister 20.2.4 (December 21, 2020) - Download

  • Added support for Fuse 4.

Canister 20.2.3 (November 10 9, 2020) - Download

  • Added support for Big Sur.

Canister 20.2.2 (November 03, 2020) - Download

  • Added support (and a logo) for mLogic users.

Canister 20.2.1 (October 16, 2020) - Download

  • This update makes Archiving for Discovery Channel a cinch. Simply add a metadata.xml to the root of the folder you want to Archive, and Canister will do the rest.

Canister 20.2 (August 19, 2020) - Download

Canister 20.1

Canister 20.1 (February 25, 2020) - Download

  • Canister now detects when a tape is empty or unformatted, offering you the option to format, and also provides more feedback about drive-related errors.

  • The console has much more output, and timestamps. Timestamps, good.

  • Creating a new destination folder when archiving could sometimes result in Canister ignoring it.

  • El Capitan users reported problems when browsing a tape and not being able to resize the browser. Fixed.

  • Canister handles drives that are disconnected during a transfer more gracefully.

Canister 19.1

Canister 19.1 (July 11, 2019) - Download

  • File sequences are written sequentially to tape, speeding up retrievals.

  • Indexing large sources doesn’t result in spinning beachballs.

  • Huge transfers take up a lot less RAM than they used to.

  • When quitting all mounted tapes are now ejected making sure indexes are up to date.

  • Force-quitting the app doesn't affect tape indexes.

Canister 18.1

First Canister release πŸŽ‰

Canister 18.1.5 (November 30, 2018) - Download

  • Canister 18.1.5 contains some small bug fixes. Thanks for reporting all!

Canister 18.1.4 (September 18, 2018) - Download

  • Canister now mounts a tape right after erasing/formatting it, so you can start archiving straight away πŸš€

  • Improved support for extended attributes, aliases, and bundles.

  • Canister sometimes crashed on quit. Fixed!

Canister 18.1.3 (November 06, 2018)

  • MLU update

Canister 18.1.2 (October 23, 2018) - Download

  • Canister now mounts a tape right after erasing/formatting it, so you can start archiving straight away πŸš€

  • Some Tandberg owners reported that Canister had trouble installing the correct drivers for their machine.

Canister 18.1.1 (October 03, 2018) - Download

  • You can share your System Information with Support (in case you run into trouble and would like our help).

  • Fixed a crash that occurred when you tried to create a Transfer Log file for an empty transfer.

Canister 18.1 (September 18, 2018) - Download

Last updated