Protocol Support in Transmit 5

Transmit allows you to connect using a variety of different protocols and cloud services. Not all of these protocols have the same level of support for various features and functions.

Here’s a breakdown of protocols supported in Transmit 5, and their notable properties:


Buckets

Connect and manage your buckets

Protocol Supported
Amazon S3
Amazon S3 with IAM Role
Backblaze B2
Box
DreamObjects
Dropbox
FTP with Implicit SSL
FTP with TLS/SSL
FTP
Google Drive
Microsoft Azure
Microsoft OneDrive for Business
Microsoft OneDrive
OpenStack Swift
Rackspace Cloud Files
SFTP
WebDAV HTTPS
WebDAV

Emoji support in files/folders 👾

Protocol Supported 🚚
Amazon S3
Amazon S3 with IAM Role
Backblaze B2
Box 🚫
DreamObjects
Dropbox 🚫
FTP with Implicit SSL
FTP with TLS/SSL
FTP
Google Drive
Microsoft Azure
Microsoft OneDrive for Business
Microsoft OneDrive
OpenStack Swift
Rackspace Cloud Files
SFTP
WebDAV HTTPS
WebDAV

Empty Files

Supported protocols that allow the creation of an empty file in Transmit.

Protocol Supported
Amazon S3
Amazon S3 with IAM Role
Backblaze B2
Box
DreamObjects
Dropbox
FTP with Implicit SSL
FTP with TLS/SSL
FTP
Google Drive
Microsoft Azure
Microsoft OneDrive for Business
Microsoft OneDrive
OpenStack Swift
Rackspace Cloud Files
SFTP
WebDAV HTTPS
WebDAV

Maximum File Size

Info on the maximum file size able to be transferred for the different cloud services.

  • FTP/SFTP/WebDAV will vary depending on the server*
Protocol Max Upload Size Additonal info
Amazon S3 976GB s3 maximum file size
Amazon S3 with IAM Role 976GB s3 maximum file size
Backblaze B2 10TB Backbaze large Files
Box Varries on account Info on maximum file size based on account type
DreamObjects 10TB DreamObjects maximun file size
Dropbox 350GB Dropbox maximun file size
FTP with Implicit SSL *
FTP with TLS/SSL *
FTP *
Google Drive 5TB Google Drive maximun file size
Microsoft Azure 1TB Microsoft Azure maximun file size
Microsoft OneDrive for Business 250GB Microsoft OneDrive for Business maximun file size
Microsoft OneDrive 250GB Microsoft OneDrive maximun file size
Rackspace Cloud Files N/A Rackspace Cloud Files maximun file size
SFTP *
WebDAV HTTPS *
WebDAV *

OAuth

Protocol Supported
Amazon S3
Amazon S3 with IAM Role
Backblaze B2
Box
DreamObjects
Dropbox
FTP with Implicit SSL
FTP with TLS/SSL
FTP
Google Drive
Microsoft Azure
Microsoft OneDrive for Business
Microsoft OneDrive
OpenStack Swift
Rackspace Cloud Files
SFTP
WebDAV HTTPS
WebDAV

File Rename

Protocol Supported
Amazon S3
Amazon S3 with IAM Role
Backblaze B2
Box
DreamObjects
Dropbox
FTP with Implicit SSL
FTP with TLS/SSL
FTP
Google Drive
Microsoft Azure
Microsoft OneDrive for Business
Microsoft OneDrive
OpenStack Swift
Rackspace Cloud Files Rackspace does not support renaming folders, only files
SFTP
WebDAV HTTPS
WebDAV

Right to Left Text in Filenames (RTL)

Protocol Supported
Amazon S3
Amazon S3 with IAM Role
Backblaze B2
Box
DreamObjects
Dropbox
FTP with Implicit SSL
FTP with TLS/SSL
FTP
Google Drive
Microsoft Azure
Microsoft OneDrive for Business
Microsoft OneDrive
OpenStack Swift
Rackspace Cloud Files
SFTP
WebDAV HTTPS
WebDAV

Remote Copy

Support for moving files remotely between servers or buckets:

File

Transmit is responsible for stepping through each remote folder and telling the server or service to copy any files.


Recursive

Transmit tells the server or service to copy a folder, and the server handles the rest.


Protocol Supported
Amazon S3 File
Amazon S3 with IAM Role File
Backblaze B2 File
Box Recursive
DreamObjects File
Dropbox Recursive
FTP with Implicit SSL
FTP with TLS/SSL
FTP
Google Drive File
Microsoft Azure File
Microsoft OneDrive for Business Recursive
Microsoft OneDrive Recursive
OpenStack Swift
Rackspace Cloud Files
SFTP
WebDAV HTTPS Recursive
WebDAV Recursive

Move (Remote)

Protocol Supported
Amazon S3
Amazon S3 with IAM Role
Backblaze B2
Box
DreamObjects
Dropbox
FTP with Implicit SSL
FTP with TLS/SSL
FTP
Google Drive
Microsoft Azure
Microsoft OneDrive for Business
Microsoft OneDrive
OpenStack Swift
Rackspace Cloud Files
SFTP
WebDAV HTTPS
WebDAV

Preserve Modification Dates

Protocol Supported
Amazon S3
Amazon S3 with IAM Role
Backblaze B2
Box
DreamObjects
Dropbox Dropbox does not support preserving modification dates folders, only files
FTP with Implicit SSL
FTP with TLS/SSL
FTP
Google Drive
Microsoft Azure
Microsoft OneDrive for Business
Microsoft OneDrive
OpenStack Swift
Rackspace Cloud Files
SFTP
WebDAV HTTPS
WebDAV

Maximum Simultaneous Transfers

Cloud service rate-limiting

2* Due to these rate-limiting restrictions, connections to the services listed above are capped at two simultaneous connections.

Learn more about rate-limiting


Configurable

The number of simultaneous file and server connections can be adjusted in Transmits Settings:
Click on Transmit in the menu bar and click on Settings…
or Command + , to open Settings

Simultaneous files

In Transmits Settings > Transfers >
You can configure Transfer up to X files simultaneously


Server Connections

In Transmits Settings > Advanced > click on the “Advanced Server Settings” button >
You can turn on and configure the Network option for Limit server to X connections


Protocol Supported
Amazon S3 Configurable
Amazon S3 with IAM Role Configurable
Backblaze B2 2
Box 2
DreamObjects Configurable
Dropbox 2
FTP with Implicit SSL Configurable
FTP with TLS/SSL Configurable
FTP Configurable
Google Drive 2
Microsoft Azure Configurable
Microsoft OneDrive for Business 2
Microsoft OneDrive 2
OpenStack Swift Configurable
Rackspace Cloud Files Configurable
SFTP Configurable
WebDAV HTTPS Configurable
WebDAV Configurable

This article was last updated on August 18, 2023