If you are trying to download multiple files or large folders from a cloud storage platform, content management system (CMS), or web application, you might encounter a frustrating error message:
Some web application firewalls (WAF) or server configurations (like those in AEM or WordPress) may trigger similar errors at much lower thresholds, such as 100 MB . Recommended Workarounds
: Standard ZIP formats are often restricted to 4 GB ; archives exceeding this require the newer ZIP64 extension, which not all web-based zipping tools support. How to Fix or Bypass the Error total size of requested files is too large for ziponthefly
Curious about the artificial limit, Mina dug into ZipOnTheFly’s help pages. A terse explanation described resource constraints and anti-abuse safeguards: to prevent runaway compression tasks, the service limited on-the-fly zipping to a size threshold that balanced user experience with server load. They recommended chunking large exports or using scheduled bulk exports for very large data sets.
dataset composed of thousands of small files—the server cannot compute the zip creation fast enough or lacks the temporary storage space to assemble the package. If you are trying to download multiple files
Information for System Administrators: How to Fix This on the Backend
Sync the target folder to your desktop.
If you are an end-user trying to download files from a platform showing this message, you cannot change the server settings. Instead, use these workarounds to bypass the limit. 1. Download in Smaller Batches
to find the breaking point. If 300MB works but 350MB fails, your effective limit is ~300MB. Information for System Administrators: How to Fix This