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How to open .ASO files on Linux

To open .ASO files on Linux, use the filename and source to identify the type; GenBank release files often have names like gbpri1.aso or may arrive as .aso.gz.

Step-by-step instructions

  1. Use the filename and source to identify the type; GenBank release files often have names like gbpri1.aso or may arrive as .aso.gz.
  2. For NCBI files, run NCBI DATATOOL or other NCBI Toolkit-based workflows to convert or process the binary ASN.1 data.
  3. For .aso.gz files, decompress with gzip/gunzip first, then process the resulting .aso file.
  4. Accounting .ASO files are not generally handled natively on Linux; import them in the intended accounting software or transfer them to a supported desktop.

Alternative methods

  • Open .ASO in a browser-based viewer if desktop apps fail.
  • Try opening .ASO on Linux with a secondary app to rule out app-specific issues.
  • Convert .ASO only with trusted tools when direct opening is not possible.

Common issues

The file opens as unreadable text or gibberish

NCBI .ASO files are binary ASN.1 data, so a normal text editor will not display meaningful content.

  1. Confirm whether the file came from NCBI or a GenBank distribution.
  2. Use NCBI DATATOOL to convert or process the file instead of opening it as plain text.
  3. If the file is .aso.gz, decompress it first and then run the conversion.

The wrong application tries to open the file

.ASO is used by more than one workflow, so the operating system may associate it with the wrong program or with no program at all.

  1. Identify whether the file is scientific NCBI data or an accounting OFX-style export.
  2. Use Open With to choose NCBI DATATOOL-related processing for GenBank data or the appropriate Simply Accounting/Sage workflow for accounting data.
  3. Avoid changing the file extension as a shortcut; it does not convert the file.

The file is still compressed

NCBI release files are often distributed with a .aso.gz suffix, meaning the .ASO file is inside a gzip-compressed file.

  1. Decompress the .gz file with a gzip-compatible tool.
  2. Verify that the extracted file ends in .aso.
  3. Process the extracted .aso file with the NCBI toolchain.

Accounting import fails

Some .ASO files are Simply Accounting/Sage OFX exports, and import can fail if the file was downloaded for the wrong account, changed after export, or opened in software that does not support that workflow.

  1. Download the export again from the bank or accounting portal.
  2. Do not edit the file manually unless instructed by the accounting software vendor.
  3. Import it using the Simply Accounting or Sage workflow that the bank documents for .ASO files.

Security note

.ASO accounting files can contain sensitive financial account and transaction information; store and share them as confidential data.

Back to .ASO extension page