• Help with security of downloaded files

    Messages from the Australian Taxation Office (ATO) may contain attachments. These attachments can be accessed when you select the Download button.

    You can either:

    • view these immediately
    • save to your computer
      • by downloading to a nominated folder on your computer
      • on the ‘temporary internet files’ on your computer, when you view the attachment.
    Other users of your computer may be able to access your downloaded files.

    Attachment guidelines 

    • There is a limit of six attachments per message.
    • The maximum file size allowable is 3.7MB.
    • Acceptable file types are .doc, .pdf, .rtf, .xls, .tif, .jpg, .zip, .bmp, .mpp, .ppt, .png, and .gif.

    Access the portal only from computers that you either:

    • have exclusive use of
    • share under all the following conditions
      • the computer is configured for multiple users
      • each person has a unique account
      • other users are individuals you can trust.

    Maintain control over the details you access from this portal if you save or print them after electronically accessing them.

    We strongly recommend that you follow these security measures:

    • Keep your computer software up-to-date, especially with security upgrades and patches. These are usually available from the licenser of the software.
    • Ensure that your anti-virus software is current and running on your computer at all times. Scan new programs/files for viruses before opening, running, installing or using them.
    • Ensure that you have anti-intrusion software – commonly referred to as a ‘firewall’ – to provide added security around your information and protection from misuse of your identity.
    • Avoid opening, running, installing or using programs/files you have obtained from a person or organisation unless you are positive that you can trust them.
    • Select Logout when you are finished using this portal. You should also logout if you leave your computer unattended – to avoid others accessing your account.
    • Conduct secure disposal practices such as cleansing of the hard disk on disposal of your computer.
     For more information, refer to Mail – further information.

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Relying on our information - our commitment to you

We are committed to providing you with advice and guidance you can rely on, so we make every effort to ensure that what we give you is correct.

If you follow our advice or guidance and it turns out to be incorrect, or it is misleading and you make a mistake as a result, we will take that into account when determining what action, if any, we should take.

Some of the advice and guidance on this website applies to a specific financial year. This is clearly marked. Make sure you have the information for the right year before making decisions based on that information.

If you feel that our advice and guidance does not fully cover your circumstances, or you are unsure how it applies to you, contact us or seek professional advice.


© Australian Taxation Office for the Commonwealth of Australia

You are free to copy, adapt, modify, transmit and distribute this material as you wish (but not in any way that suggests the ATO or the Commonwealth endorses you or any of your services or products).