How to print all PDFs in a folder from PowerShell or the command line
PowerShell can send every PDF in a folder to the printer with Start-Process -Verb Print, handing each file to whatever app opens PDFs. For control over copies and duplex without any dialog, the open-source SumatraPDF reader prints a list of files with -print-to-default and -print-settings.
Open the folder in File Explorer, type powershell in the address bar and press Enter. A PowerShell window opens in that folder. The Start-Process reference documents the Print verb, which does the same thing as right-click Print without the 15-file limit.
Get-ChildItem *.pdf | Sort-Object Name | ForEach-Object { Start-Process -FilePath $_.FullName -Verb Print; Start-Sleep -Seconds 3 }
The three-second pause gives the PDF app time to spool each file, so jobs reach the queue in name order more often. The viewer window can stay open after the last file, and scripts that run unattended usually have to close processes themselves. Acrobat with Protected Mode on can refuse commands from outside processes, so the loop may run without printing.
SumatraPDF's command-line documentation says -print-to sends every file named in the command to a chosen printer, -print-to-default uses the default printer, and the program exits when it finishes. Settings go into -print-settings as one comma-separated string.
The value duplexlong turns on long-edge duplex, 2x prints two copies, 1-3 limits the page range, and fit scales pages to the paper. Add -silent to hide print errors.
$sumatra = "C:\path\to\SumatraPDF.exe"
& $sumatra -print-to-default -print-settings "duplexlong,2x" -silent (Get-ChildItem *.pdf | Sort-Object Name).FullName
Run the command on three short files first, then print multiple PDF files at once from the full folder. Printer drivers differ in how they treat duplex requests.
Should you merge PDFs into one file before printing?
Merging is the one reliable way to lock page order, because the printer receives one job instead of dozens. The trade-off: one set of settings for everything, and no clean break between documents unless you add blank pages.
In Acrobat Standard or Pro, open Tools > Combine Files (All tools > Combine files in the new interface), click Add Files, drag the thumbnails into the order you want, then click Combine and save the result. Adobe's Combine Files help page walks through the same steps. The combined PDF is saved as a new file, and the originals stay as they were. The free Acrobat Reader cannot combine files.

Remove cover sheets or blank scans first. You can delete pages from PDF files in bulk. Double-sided printing has its own trap with odd page counts. A merged file of several hundred pages can overflow a small office printer's memory, so print it in two halves if the queue stalls.
Keep the files separate when each document has to leave the printer as its own stack, such as client statements that get stapled one by one. Use a tool that prints them as separate jobs in a fixed order.
How to print multiple PDFs at once in Adobe Acrobat without locking up your PC
Acrobat Pro can batch print through the Action Wizard, but it opens each PDF on screen while it works, and Acrobat stays busy until every file has spooled. Start the run after hours, or use one of the methods above for large folders.
Selecting several PDFs in File Explorer while Acrobat is already open often ends with the error "Acrobat cannot open this file while printing another document." Acrobat handles one print job at a time. Close Acrobat before you right-click Print. If it has to stay open, do not print multiple PDF files at once; send them in smaller groups.
The Action Wizard route (Tools > Action Wizard > New Action, add a Print step, pick a folder) works, yet with a 200-file folder every PDF can flash on screen and you cannot use other programs until the run ends. Acrobat waits only for spooling, so a fast printer helps less than you would expect.
Test the action on five files, then run the full folder when you do not need the PC. That is how to print multiple PDFs at once in Acrobat without tying up your workday. If the files need different settings, one action applies one print setup.
How to keep print order and stop duplex files starting on the back of the last one
Every method except merging sends one print job per file, so the order on the tray is not guaranteed. Number the file names, pause the printer while you send the batch, and pad odd-length files with a blank page before duplex printing.
Windows prints jobs in the order they reach the queue, and big files take longer to spool than small ones. A 40-page PDF selected first can land after a 1-page PDF selected second.
Can you print PDF and Word files in one batch?
Not from File Explorer: the UCLA knowledge base notes that all selected files must be the same type, so PDFs and Word documents go in separate rounds. A batch printing tool or a convert-first step lets mixed folders print in one pass.
File Explorer will not print multiple PDF files at once together with Word files, so they need separate rounds. The guide on how to print multiple Word documents at once covers the Word side, including printing without opening each file.
Turning saved web pages into PDFs first with a batch HTML to PDF converter puts the folder in one format. Batch Printing Software skips that step. Word and Excel files go into the same list as PDFs. Images, saved emails and web pages do too, and everything prints in the order you set.
How do I print 2 pages on one sheet (or more)?
Printing 2 pages on one sheet is a print-dialog setting, not a batch feature. In Acrobat or Reader choose Multiple under Page Sizing & Handling; on a Mac pick Pages per Sheet in the Layout section; in Windows many printer drivers offer it under Printing Preferences.
In the Acrobat print dialog, select Multiple, set pages per sheet (2, 4, 6, 9 or 16), and choose the page order. The setting applies to the open document only, so it does not help with a folder unless you merged the files first.

Mac users find the same option in the Layout section as Pages per Sheet. On Windows, check your printer's Printing Preferences; the option name varies by driver. Batch Printing Software sets pages per sheet for the whole batch. If some files need 2-up and others full size, put them in separate runs.
How do you print multiple PDF files at once on a Mac?
Select the PDFs in Finder, open them together in Preview so they share one window, then print from there. Apple's Preview guide recommends exactly that for multiple files. Dragging files onto the printer queue also works.
To print multiple PDF files at once, select the PDFs in Finder, right-click them and choose Open With > Preview. The Preview printing guide notes that opening several files in one Preview window is the way to print them together. Check the thumbnail sidebar before printing: its order is the order on paper, and it does not always match your Finder selection.
You can also open the printer's queue from System Settings and drag the PDFs into it. Each file prints with the printer's default settings.
What about printing from a browser, Google Drive or a locked PDF?
Browsers print one PDF at a time, so they are no help with a batch. Files in Google Drive or OneDrive need to be on your disk first, and a PDF with a print restriction prints only after the restriction is removed by its owner.
Can you print multiple PDFs at once from a browser? No: Edge and Chrome open PDFs well, but they have no batch print command. If a browser is your default PDF app, that is also the usual reason the Print item is missing in File Explorer.
In Google Drive, select the files and choose Download. Drive packs several files into a ZIP. Extract it, then use any method above to print multiple PDF files at once. For OneDrive files marked as online-only, set Always keep on this device first, or every print command waits for a download.
Some PDFs carry an owner password that blocks printing. They open fine but the print command is greyed out, and a batch run skips them. If the documents are yours, a PDF password remover can lift the printing restriction before the run.
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