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About Bandizip for macOS
Comparison between Bandizip & Bandizip 365 Bandizip in comparison with other archivers
Features & Technical Terms
How to use Multi-core Compression How to use the Finder’s right-click menu for Bandizip How to set Bandizip as the default app to open archives How to open RAR files on Mac How to open ALZ and EGG files on Mac How to use Extract Here (Smart) How to split a large file into smaller files with Bandizip How to view a list of files in an archive How to modify an archive without decompression How to set a password for an archive How to encrypt filenames in archives How to preview image, document, and music files in an archive How to use Bandizip's built-in image viewer How to move files to Recycle Bin (Trash) when deleting How to use presets when compressing files How to use Parallel Extraction How to use the Password Manager How to use the Auto Password How to use Repair Archive How to use the Password Recovery
Troubleshooting
How to troubleshoot when codepage auto-detection doesn’t work correctly How to troubleshoot when Error 22 occurs and Mac Finder on Catalina can’t extract a ZIP archive How to troubleshoot when a split archive can’t be decompressed How to troubleshoot when an error occurs saying split archive files are needed How to troubleshoot when an extracted app file can’t be opened How to troubleshoot when it takes too long to open archives How to troubleshoot when a badge icon for files doesn’t appear in the Finder How to troubleshoot when the Finder displays for external volumes incorrectly in the sidebar How to troubleshoot when the right-click menu for Bandizip does not appear in a cloud synced folder How to troubleshoot when files are automatically extracted from archives downloaded via Safari How to use the right-click menu for Bandizip on Ventura How to troubleshoot when a file downloaded through Chrome cant be opened. How to troubleshoot when you archive files in an external volume on Sonoma but the archive does not appear How to use the right-click menu for Bandizip on Sequoia How to change the Unicode normalization form used for filenames How to enable App Nap for Bandizip How to hide the services of Bandizip in the Finder's right-click menu How to troubleshoot when I can’t uninstall Bandizip How to troubleshoot when I can’t install Bandizip on the App Store How to request a refund for Bandizip that you bought from the App Store How to manage Bandizip 365 subscription from the App Store How to cancel a subscription to Bandizip 365

How to split a large file into smaller files with Bandizip


ZIP is a relatively old archive file format (introduced in 1989) and some file archivers may not be able to process files larger than 4GB. Bandizip can always compress 4GB+ files or split them in smaller files.

Most email service providers set limits on the user’s file upload capacity. For example, Gmail allows only attachments not exceeding 25MB in their total size, and Outlook also has a similar limit of 33MB.



There are cloud service providers such as Google Drive or Dropbox for the transfer of large files. But if you have some trouble with using the cloud services, you may split the large file into smaller files with Bandizip and attach them to your email.

  1. Run Bandizip and open New Archive dialog box.
  2. Click More options at the bottom of the dialog box. There is “Split to volumes” menu for splitting a file.
  3. Click the menu and you may find a list of split sizes suitable for commonly used email services or storage media. Select one from the list or enter the size which you want manually.


  4. Start archiving. Along with your archive, the split files are also created in the destination folder and numbers such as 01, 02, 03, ... are added to their filenames. (The form of the filename depends on the file’s archive format.)


  5. Attach the archive and the split files to your email. If any message is displayed that the upload capacity has been exceeded, send the email with the already attached files and keep attaching the remaining files to a new email.


NOTE

When you upload the split files, you must upload ALL the files without omitting one of them. Similarly, when you download the split files and decompress them, you must download ALL the files to the same folder to decompress them normally.

Help » How to troubleshoot when a split archive can’t be decompressed