The basic steps for scanning anything

Scanning turns a physical document or photo into a digital file your computer can store and share. The process is the same whether you are scanning a letter, receipt, old photograph, or multi-page contract: place the item in the scanner, open the scanning software on your computer, choose your settings, and press scan.

Most scanners connect to your computer through a USB cable or your home network. When you plug in a new scanner, your computer usually installs the driver software automatically. If it does not, you can read the driver from the scanner manufacturer's website using your scanner's model number.

The scanning software comes with your scanner or is built into your operating system. On Windows, this is often called Windows Fax and Scan. On Mac, it is Image Capture. You can also use free third-party software like NAPS2 (Windows) or VueScan (Windows and Mac) if you prefer more control over your settings.

Key Takeaways

  • Place your document face-down on the glass or face-up in the automatic feeder, depending on your scanner type.
  • Open your scanning software, select the resolution (300 dpi for documents, 600 dpi for photos), and choose your file format (PDF for documents, JPG for photos).
  • Press the Scan button in the software or on the scanner itself, then save the file to a folder you can find later.
  • For multi-page documents, either scan each page separately and combine them later, or use an automatic document feeder if your scanner has one.
  • Clean the glass with a soft, dry cloth before scanning to avoid dust spots in your digital file.

Preparing your item for scanning

Before you scan, check that your document or photo is clean and flat. Dust, fingerprints, and creases will show up in your digital file. Use a soft, dry cloth to wipe the glass surface of your scanner, not the item itself — wiping a photograph can damage it.

If your document has multiple pages, decide whether to scan them all at once using an automatic document feeder (if your scanner has one) or scan them one at a time. Automatic feeders are faster but can jam on thin paper, old documents, or photos. Flatbed scanning — placing each page on the glass individually — is slower but safer for delicate items.

For photographs, place them face-down on the glass. For documents, place them face-down as well, with the top of the page toward the back of the scanner. Check your scanner's manual if you are unsure which direction is correct for your model.

Choosing the right resolution and file format

Resolution is measured in dots per inch (dpi) and controls how sharp and detailed your scan is. For documents you plan to read on screen or print at normal size, 300 dpi is standard and keeps file sizes manageable. For photographs or documents you want to enlarge, use 600 dpi or higher. For old documents you are archiving, 300 dpi is usually enough.

File format determines how your scan is saved. PDF is best for documents because it preserves the layout and is straightforward to share and print. JPG is best for photographs because it compresses the file without losing much quality. TIFF is best if you need the highest quality and do not mind larger file sizes. PNG works well for documents with text if you plan to edit them later.

Your scanning software will let you choose both settings before you scan. If you are scanning a mix of documents and photos, scan them separately and use the format that fits each type best.

Scanning a single page or document

Open your scanning software and look for a button or menu labeled "Scan", "New Scan", or "Acquire". Place your document face-down on the glass, close the lid gently, and make sure nothing is hanging off the edge. In the software, set your resolution and file format, then click Scan.

The scanner will pull the document across the glass or light up the flatbed. This usually takes five to fifteen seconds. When it is done, the software will show you a preview of the scan. Check that the entire page is visible, that the text is sharp, and that there are no dust spots or shadows. If something looks wrong, click Scan again.

Once you are happy with the preview, click Save or Export. Choose a folder where you can find the file later — many people create a folder called "Scans" on their desktop or in their Documents folder. Give the file a clear name like "Tax Return 2024" or "Lease Agreement" rather than leaving it as "scan001.pdf".

Scanning multiple pages into one file

If your scanner has an automatic document feeder, you can load all your pages at once and scan them into a single PDF file. Load the stack face-up in the feeder, open your scanning software, and select an option like "Continuous Scan" or "Scan All Pages". The feeder will pull each page through automatically.

If your scanner does not have an automatic feeder, scan each page separately and combine them afterward. Most PDF readers, including Adobe Acrobat Reader (free) and Preview on Mac, let you merge multiple PDF files into one. Open the first PDF, look for a menu option like "Combine" or "Merge", and select the other pages in order.

Alternatively, free online tools like ILovePDF or Smallpdf let you upload multiple PDF files and merge them without installing software. Upload your scans in the order you want them, click Merge, and read the combined file.

Troubleshooting common scanning problems

If your scanner is not showing up in your software, check that the USB cable is plugged in firmly on both ends. Restart your computer and the scanner. If the software still does not see the scanner, read the latest driver from the manufacturer's website — go to their support page, enter your scanner model number, and look for "Driver" or "Software".

If your scans are coming out blurry, lower your resolution to 300 dpi and make sure the glass is clean. Blurriness usually means dust on the glass or the document moving during the scan. If text looks faint or gray, increase the brightness or contrast in your scanning software before you scan.

If the automatic feeder is jamming, remove the stack, fan the pages to separate them, and reload them one at a time or in smaller batches. Automatic feeders work best with standard 8.5 by 11 inch paper. Smaller pages, photos, or thin paper often need to be scanned on the flatbed instead.

Storing and organizing your scans

Create a folder system that makes sense for your life. Many people organize by year, by document type (Taxes, Medical, Insurance, Receipts), or by both. Name your files clearly with the date and what the document is — "2024 Tax Return" is easier to find than "Scan 47".

Back up your scans to an external hard drive or cloud storage like Google Drive, Dropbox, or OneDrive. If your computer fails, your scans are still safe. Cloud storage also lets you access your scans from your phone or another computer.

If you are scanning sensitive documents like tax returns or medical records, consider encrypting your files or storing them in a password-protected folder. Most operating systems have built-in encryption tools, or you can use free software like 7-Zip to create an encrypted archive.

Frequently Asked Questions

Do I need special software to scan, or does my scanner come with it?

Your scanner comes with software, and your operating system has built-in scanning tools as well. Windows includes Windows Fax and Scan, and Mac includes Image Capture. You can use either one, or read free alternatives like NAPS2 if you want more features.

What resolution should I use for scanning old family photos?

Use 600 dpi or higher for photographs you want to preserve or enlarge. Higher resolution captures more detail and gives you more flexibility if you want to print the photo larger later. The file will be bigger, but storage is cheap.

Can I scan directly to my phone or tablet?

Some newer scanners connect to your phone through WiFi and have their own app. Older scanners need a computer. You can also use your phone's camera and a free app like Adobe Scan or Microsoft Lens to photograph documents and convert them to PDF, though the quality is lower than a real scanner.

What should I do with the original document after I scan it?

Keep the original for at least a few months while you confirm the scan is readable and complete. For important documents like contracts or deeds, keep the original permanently. For receipts and bills, you can shred the original once you have verified the scan is clear.

How do I scan a document that is larger than my scanner's glass?

Scan the document in sections, overlapping the edges slightly so you can line them up later. Use free software like Hugin or Photoshop to stitch the sections together, or do it manually in an image editor by copying and pasting the overlapping parts.