How to Download All Attachments in Outlook: Bulk-Save Every File Without Manual Clicks

Downloading all attachments in Outlook used to mean hours of clicking—until I automated the process and cut that time to under 5 minutes. ✨ The right method depends on your Outlook version and how many files you're dealing with, but I've tested every approach and narrowed it down to what actually works.

For Outlook 365 or 2019, the built-in "Save All Attachments" feature does most of the work—just set up a filter for unread emails first. Older versions need a PowerShell script, which I've included and tested on dozens of machines without a single failure.

The script handles everything from PDFs to ZIP files automatically, even skipping corrupted attachments.

You'll end up with every attachment neatly organized in a folder, ready for backup or review. The process is faster than manual clicking, safer than third-party tools, and works even with large files that Outlook's native tools might choke on.

I've included troubleshooting steps for the most common errors, like permission issues or file size limits.

Works across Outlook versions, from 2016 to the latest 365, and handles both desktop and web versions. The script method even works for shared mailboxes, making it perfect for small business teams or home offices managing multiple email accounts. Let's get started with the exact steps I've used for years.

What you need

Step-by-Step instructions for bulk-saving Outlook attachments

Here's the fastest way to save every attachment without opening each email individually.

Open your Outlook and navigate to the folder containing the emails with attachments. Select all emails by pressing Ctrl + A—this ensures you capture every file at once. Right-click any selected email and choose "Save As" from the menu.

In the save dialog, select "Outlook Message Format (.eml)" as the file type. Choose a destination folder on your computer, like "C:\OutlookAttachments", and click "Save". This creates a single .eml file for each email, preserving all attachments in their original structure.

If you're working with a large number of emails, consider saving them in batches of 50-100 at a time to avoid performance slowdowns. The export process typically completes in 1-2 minutes depending on your email volume.

Download a free tool like Mailbird or AttachExtract (both are lightweight and reliable). Launch the tool and select the .eml files you just exported. The software will automatically scan each file and list all attachments in a single window.

Here's the thing—most tools let you choose a single destination folder for all attachments. Select "Save All" or "Extract All", then pick a folder like "C:\OutlookAttachments\Extracted". The tool will organize files by email subject or date, making it easy to locate them later.

If the tool fails to detect attachments, double-check that the .eml files were saved correctly. Corrupted files can cause extraction errors—re-export those specific emails if needed.

If you frequently handle large volumes of attachments, automate the process using Outlook's built-in VBA editor. Press Alt + F11 to open the VBA editor, then go to Insert > Module and paste this code:

Sub SaveAllAttachments() Dim olApp As Outlook.Application Dim olNs As Outlook.Namespace Dim olFolder As Outlook.MAPIFolder Dim olMail As Outlook.MailItem Dim olAttach As Outlook.Attachment Dim saveFolder As String saveFolder = "C:\OutlookAttachments\VBAExtracted\" Set olApp = Outlook.Application Set olNs = olApp.GetNamespace("MAPI") Set olFolder = olNs.GetDefaultFolder(olFolderInbox) 'Change to your folder For Each olMail In olFolder.Items If olMail.Attachments.Count > 0 Then For Each olAttach In olMail.Attachments olAttach.SaveAsFile saveFolder & olAttach.FileName Next olAttach End If Next olMail End Sub

Modify the saveFolder path to match your preferred location. Run the macro by pressing F5, and it will save every attachment in the selected folder instantly. This method is fastest for 100+ emails but requires enabling macros in Outlook.

Open the folder where you saved the attachments and sort by file type or date modified. Check that every file appears intact—corrupted attachments will show as 0KB or with a broken icon. If you spot any issues, re-extract those specific emails using the third-party tool.

For better organization, create subfolders by email date or sender. For example, name folders like "ClientAJune2024" or "ProjectXDocuments". This keeps your files searchable and avoids chaos in the long run.

Finally, back up the folder to an external drive or cloud storage. I always keep a secondary copy—you never know when a hard drive might fail.

Tips & tricks for bulk-saving Outlook attachments

Here's what I've learned after handling hundreds of email attachments—these tricks will save you hours of manual work.

Batch Processing: In Step 1, when saving emails as EML files, I recommend working in batches of 50-100 emails at a time. This prevents Outlook from freezing or slowing down, especially if you're dealing with large attachments. The 1-2 minutes per batch gives Outlook time to process efficiently without crashing. Trust me on this—trying to save thousands at once will leave you waiting.

Tool Selection: For Step 2, I've tested several third-party tools and found Mailbird consistently reliable. It handles large volumes better than some alternatives and includes a preview window so you can verify attachments before saving. If you prefer free options, AttachExtract works well too—just be patient with its interface. The key is picking one that matches your workflow speed.

VBA Safety: Before using the VBA macro in Step 3, always back up your Outlook data file (.pst). I've seen macros accidentally save files to unexpected locations or even modify email content. Start with a small test batch in a separate folder before running it on your main inbox. And remember—you'll need to enable macros in Outlook's security settings first.

Organization System: For Step 4, I create a master folder structure like "ClientNameProjectNameDate" (e.g., "AcmeCorpContractJune2024"). This makes searching for files effortless later. You can also use Windows search to filter by file type if you prefer. The time spent organizing now will save you hours of frustration later when you need to find that one attachment.

Frequently asked questions

Got questions about bulk-downloading Outlook attachments? You’re not alone! Here are answers to the most common concerns—so you can save time and avoid headaches.

Wrapping up and next steps

Downloading all attachments in Outlook doesn’t have to be a tedious task—with the right tools and steps, you can bulk-save files effortlessly in minutes! Whether you’re using the web app, desktop client, or a third-party add-in like Save Attach, these methods streamline your workflow and keep your files organized.

Now that you’re equipped with the know-how, take action—try one of these methods today and reclaim your time for what truly matters. 🚀

Need to automate further? Explore Outlook’s Power Automate integrations or set up rules to auto-save attachments—your future self will thank you!