If you're not sure, here are all file categories
As you already know, there are different file categories such as audio files, spreadsheets, images, documents, ebooks, vectors, videos, presentations, and archives, and every single one of them has its subcategories. Although MP3, MP4, PPT, JPG, PNG, PDF, DOC, and ZIP are quite familiar, there are more of them to count. Just to be sure you don't have any dilemmas about file types and categories, well mention them once more.
For your favorite images, besides JPG, you can use the following: CR2, 3FR, EPS, GIF, NEF, ARW, DCR, JPEG, SVG, PSD, PPM, TIF, TIFF, XCF. You know about PDF and DOCX files, but have you heard about these document formats CSV, DJVU, DOC, HTML, KEY, NUMBERS, ODP, ODS, ODT, PAGES, PPS, PPSX, PPT, PPTX, PS, RTF, TXT, VSD, WPD, WPS, XPS? Music comes in different genres and formats such as AAC, AC3, AIF, AIFC, AIFF, AMR, AU, CAF, FLAC, M4A, M4B, MP3, OGA, SFARK, VOC, WAV, WEBA, WMA and FLP.
Videos are the most powerful tool for digital communication, and they come in different formats as well. Those are 3G2, 3GP, 3GPP, AVI, CAVS, DV, DVR, FLV, M2TS, M4V, MKV, MOD, MOV, MP4, MPEG, MPG, MTS, MXF, OGG, RM, RMVB, SWF, TS, VOB, WEBM, WMV and WTV. Bibliophiles have their favorite chapters store in one of the following e-book file formats: AZW, AZW3, AZW4, CBC, CBR, CBZ, CHM, EPUB, FB2, HTM, HTMLZ, LIT, LRF, MOBI, PDB, PML, PRC, RB, SNB, TCR and TXTZ.
And all of the files that we're just counted are stored in one of the archives with 7Z, ACE, ALZ, ARC, ARJ, BZ, BZ2, CAB, CPIO, DEB, DMG, GZ, IMG, ISO, JAR, LHA, LZ, LZMA, LZO, RAR, RPM, RZ, TAR, TAR.7Z, TAR.BZ, TAR.BZ2, TAR.GZ, TAR.LZO, TAR.XZ, TAR.Z, TBZ, TBZ2, TGZ, TZ, TZO, XZ, Z and ZIP file extensions.