File-Extensions-2.xlsx

	A	B	C	D
1	Category	EXT	EXT2	Description

2	Backup	.!@!	!@!	Microsoft Windows backup of WIN.INI
3	Backup	.$$$	$$$	Backup file format
4	Backup	.{pb	{pb	Corel WordPerfect backup file
5	Backup	.~cp	~cp	Borland C++ Builder source backup
6	Backup	.~cw	~cw	New Wave Concepts Circuit Wizard temporary backup
7	Backup	.~de	~de	Borland C++ project backup
8	Backup	.~dp	~dp	Delphi DPR project backup
9	Backup	.~h	~h	Borland C++ Builder backup source
10	Backup	.~mn	~mn	Norton Commander menu backup
11	Backup	.~y7	~y7	Synchro Studio 7 backup
12	Backup	.---	---	Microsoft backup file set
13	Backup	.000	000	Backup older file
14	Backup	.001	001	Multimedia Fusion backup
15	Backup	.001	001	Norton Ghost disk image span
16	Backup	.001	001	Sage backup
17	Backup	.00b	00b	PenSoft Payroll backup file
18	Backup	.01b	01b	PenSoft Payroll backup
19	Backup	.1	1	Pro/ENGINEER backup file
20	Backup	.1-step	1-step	Iomega backup
21	Backup	.1p4_zip	1p4_zip	1Password backup data
22	Backup	.201	201	StarMoney agent rollback data
23	Backup	.2db	2db	Cadwork backup
24	Backup	.3dmbak	3dmbak	Rhino 3D model backup file
25	Backup	.73b	73b	TI-73 backup
26	Backup	.82b	82b	TI-82 backup
27	Backup	.92b	92b	TI-92 backup
28	Backup	.999	999	Sage backup
29	Backup	._bk	_bk	Writer’s Blocks document backup
30	Backup	._docx	_docx	Microsoft Word auto backup file
31	Backup	.a$v	a$v	QuarkXpress automatically saved project
32	Backup	.ab	ab	Google Android Debug Bridge backup
33	Backup	.abk	abk	Ability Write document backup
34	Backup	.abk	abk	CorelDRAW automatic backup file
35	Backup	.abkprj	abkprj	Ashampoo Burning Studio backup project file
36	Backup	.abu	abu	ASUS Backup backup data
37	Backup	.abu1	abu1	ASUS ZenFone backup
38	Backup	.acd-bak	acd-bak	ACID Pro project backup
39	Backup	.acr	acr	Acer eRecovery Management backup
40	Backup	.adi	adi	AOMEI Backupper disk backup
41	Backup	.adk	adk	OS/2 saved SKF format
42	Backup	.aea	aea	Google AdWords Editor archive
43	Backup	.afi	afi	AOMEI Backupper backup archive
44	Backup	.afz	afz	Family Tree backup
45	Backup	.aja	aja	Backup revision control archive file
46	Backup	.ajl	ajl	CA ARCserve backup journal
47	Backup	.amk	amk	AceMoney backup
48	Backup	.ants	ants	Tansee Transfer backup
49	Backup	.arc	arc	Nokia backup archive
50	Backup	.arc	arc	Norton backup archive
51	Backup	.arm	arm	MySQL archive storage engine metadata
52	Backup	.arz	arz	MySQL archive storage engine data
53	Backup	.asd	asd	Microsoft Word auto-save document
54	Backup	.ashbak	ashbak	Ashampoo Burning Studio backup archive
55	Backup	.ashdisc	ashdisc	Ashampoo disk image file
56	Backup	.asv	asv	Generic autosave
57	Backup	.asv	asv	QuarkXpress autosave file
58	Backup	.ate	ate	Microsoft Office Accounting compressed backup
59	Backup	.avk	avk	Avigilon backup
60	Backup	.avz	avz	AviSys backup
61	Backup	.awb	awb	Ad-Aware backup
62	Backup	.bac	bac	Backup Plus backup
63	Backup	.backup	backup	Backup of current ISAPI application
64	Backup	.backup	backup	Google Android backup
65	Backup	.backup	backup	Navicat for MySQL backup
66	Backup	.backup	backup	pgAdmin database backup
67	Backup	.backupdb	backupdb	Apple Time Machine backup folder
68	Backup	.bak~	bak~	AbiWord auto-saved document
69	Backup	.bak	bak	Generally a backup created by various software applications
70	Backup	.bak	bak	AcqURL bookmarks backup
71	Backup	.bak	bak	ACT! backup file
72	Backup	.bak	bak	Autodesk AutoCAD backup
73	Backup	.bak	bak	Canvas drawing backup
74	Backup	.bak	bak	Corel WordPerfect document backup
75	Backup	.bak	bak	Essbase backup of security data
76	Backup	.bak	bak	Finale backup
77	Backup	.bak	bak	Grade Organizer backup
78	Backup	.bak	bak	Mozilla Firefox bookmarks backup
79	Backup	.bak	bak	ProShow Producer backup
80	Backup	.bak	bak	RE-TOS backup
81	Backup	.bak	bak	T-FLEX autosave data
82	Backup	.bak	bak	TED5 backup
83	Backup	.bak	bak	THEOS backup text
84	Backup	.bak	bak	Visual UML (Unified Modeling Language) backup
85	Backup	.bak1	bak1	Backup format
86	Backup	.bak3	bak3	Crysis backup
87	Backup	.bakx	bakx	Finale backup
88	Backup	.baz	baz	Acomba Accounting Suite backup
89	Backup	.bb	bb	Papyrus database backup
90	Backup	.bbb	bbb	BlackBerry backup (post 2012)
91	Backup	.bbk	bbk	TreePad backup file
92	Backup	.bbz	bbz	BeBuzz backup
93	Backup	.bc6	bc6	Cashflow Manager 2006 backup
94	Backup	.bc7	bc7	Cashflow Manager 2007 backup
95	Backup	.bc8	bc8	Cashflow Manager backup
96	Backup	.bc9	bc9	Cashflow Manager backup
97	Backup	.bca	bca	Allplan backup catalog
98	Backup	.bck	bck	VMX backup
99	Backup	.bckp	bckp	Ad-Aware quarantined data
100	Backup	.bcm	bcm	Microsoft Works communications script backup