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PaperformPaperform is an online form builder like no other. It combines serious digital smarts with beautiful design to create endless possibilities.PapersignSimplify document signing with Papersign, so you can spend less time in email chains and more time on the important stuff.

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Web FormsScheduling FormsOrder FormsPayment FormsCalculation FormsSubscription FormsConditional LogicLanding page FormsQuiz MakerPoll MakerSurvey MakerTest MakerSee all solutions

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Explore all the solutions you can create with Paperform: surveys, quizzes, tests, payment forms, scheduling forms, and a whole lot more.

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Can I restrict users to upload certain file types only?

Help Making Forms Using the Editor Field Types

Field Types

Are calculations shown to the user?Can a user type in their own price (for example, donation or pay-what-you-want)?Can all questions and fields have a default answer?How do I add an e-signature to my form?Can I add or remove fields in the address question?Can I change the format of a date question?Can I check availability on and make bookings on multiple calendars?Can I control how many columns multiple choice answers are spread across?Can I hide the prices shown on each product?Can I include a yes or no question?Can I let customers buy more than one product or choose more than one subscription plan?Can I let submitters choose multiple answers for a multiple-choice or dropdown question?Can I select multiple dates using one date question?Can I let the user type in their own answer for a multiple-choice or dropdown question?Can I let users upload multiple images or files in one go?Can I limit the number of options that can be chosen for a Dropdown question?Can I limit or specify the number of digits allowed for the answer to a Number field?Can I limit the number of options that can be chosen for a Multiple Choice?Can I make a question for URLs?Can I prevent double bookings when people make appointments?How do I prevent users from entering decimals in a number field?Can I require only dates in the past or future?Can I require only "yes" to a yes or no question?Can I limit the number of characters for a response?Can I restrict which colors a submitter can pick with the color picker?Can I restrict the country in the address question?Can I set a description for each multiple-choice option (not just its option title)?Can I change the placeholder of a Date question from "DD / MM / YYYY" to another format?Can I show just a calendar for a date question?Can I use answer piping to add answers to multiple-choice or dropdown questions?Can Multiple Choice options have images?Can my audience upload files to Paperform forms, and how do I make that happen?Can users directly capture and upload a picture from their mobile device into a form?Creating Terms & Conditions QuestionsDo you have a scale question and how do I add it to my form?What are the formatting options for phone numbers and can I validate them?Can I customize how products are displayed?How can I insert a checkbox?How can I let respondents provide a rating?How can I make a number field be formatted like a price?How can I specify certain color swatches for the Color Picker field?How do I add a Country field to my form?How do I add a dropdown field to my form?How do I add a long text question field quickly?How do I add a matrix question?How do I add a name question field quickly?How do I add a number question to my form?How do I add a phone number field to my form?How do I add a question to my form?How do I add a question with radio buttons quickly?How do I add a rank question to my form?How do I add a slider question?How do I add a URL field?How do I add a Yes/No question to my form?How do I add multiple choice questions to my form?How do I add or remove subscription plans?How do I make the answer to a text question take up more than one line?How does the address field work and how do I add one?How does the color picker work and what does it look like?Is Google Address Search available on address fields?Is it possible to choose multiple countries in the country question?How do I randomize the option order for a Multiple-Choice or Dropdown question?Is there a way to show users a thumbnail of the image they uploaded?What are date fields, and how do I use one?What can I modify about an address question?What do Time fields look like, and how do I add one to my form?What is a hidden field?What types of questions or fields does Paperform offer?Can I restrict users to upload certain file types only?Why are answers to the country question not the full country's name in submissions?Will a user ever see a hidden field?AI CalculationsAppointments GuideCalculations Cheat Sheet

By default, submitters can upload any file extension to a File Upload question type.

You can limit this to specific file extensions by navigating to the question's configuration and toggling on "Restrict allowed file extensions".

Restrict file extensions toggle

Gotchas

  • This filters the files in their operating system's file picker. They can still upload any file type if they remove the filter.

Related Articles

Can my audience upload files to Paperform forms, and how do I make that happen?
Yes, you can add a File Upload or Image Upload question to your form.
Can I let users upload multiple images or files in one go?
Yes, you can toggle on "Can upload multiple files" in the configuration for both Image and File Upload questions.
How do I view a submitter's uploaded files?
You can view a submitter's uploaded files through the Submissions section of your dashboard.